Update docs: Gettings started (MesageLoader), Subscription worker usage

[DanielBadura]

Add StoreMessageLoader in getting started, add more information about the worker and process

This is basically #854 with small adjustments from @Brammm

[DanielBadura]

There a alot of space changes, most probably due to the recent new docs page release and the not executed make docs-format 🙈

[github-actions]

Hello 👋

here is the most recent benchmark result:

SplitStreamBench
================

+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                         | time (kde mode)                                     | memory                                     |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                 | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad10000Events () | 5.214ms (±0.00%)   | 5.413ms (±0.00%)   | -3.68%    | 35.584mb        | 36.102mb   | -1.43%      |
| benchSave10000Events () | 335.013ms (±0.00%) | 341.080ms (±0.00%) | -1.78%    | 35.651mb        | 35.651mb   | 0.00%       |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

SimpleSetupStreamStoreBench
===========================

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 1.122ms (±0.00%)   | 1.123ms (±0.00%)   | -0.12%    | 35.206mb        | 35.206mb   | 0.00%       |
| benchLoad10000Events ()                | 70.493ms (±0.00%)  | 67.868ms (±0.00%)  | +3.87%    | 35.206mb        | 35.206mb   | 0.00%       |
| benchSave1Event ()                     | 1.274ms (±0.00%)   | 1.304ms (±0.00%)   | -2.27%    | 35.206mb        | 35.206mb   | 0.00%       |
| benchSave10000Events ()                | 291.721ms (±0.00%) | 292.996ms (±0.00%) | -0.44%    | 35.206mb        | 35.206mb   | 0.00%       |
| benchSave10000Aggregates ()            | 9.008s (±0.00%)    | 9.006s (±0.00%)    | +0.03%    | 35.206mb        | 35.206mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 5.663s (±0.00%)    | 5.709s (±0.00%)    | -0.81%    | 35.206mb        | 35.206mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

SimpleSetupBench
================

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 1.004ms (±0.00%)   | 993.000μs (±0.00%) | +1.12%    | 34.979mb        | 34.979mb   | 0.00%       |
| benchLoad10000Events ()                | 63.580ms (±0.00%)  | 66.767ms (±0.00%)  | -4.77%    | 34.979mb        | 34.979mb   | 0.00%       |
| benchSave1Event ()                     | 1.276ms (±0.00%)   | 1.262ms (±0.00%)   | +1.09%    | 34.979mb        | 34.979mb   | 0.00%       |
| benchSave10000Events ()                | 224.593ms (±0.00%) | 225.054ms (±0.00%) | -0.20%    | 34.979mb        | 34.979mb   | 0.00%       |
| benchSave10000Aggregates ()            | 8.706s (±0.00%)    | 8.649s (±0.00%)    | +0.66%    | 34.979mb        | 34.979mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 5.543s (±0.00%)    | 5.551s (±0.00%)    | -0.15%    | 34.979mb        | 34.979mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

SubscriptionEngineBatchBench
============================

+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
|                           | time (kde mode)                                   | memory                                     |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| subject                   | Tag: <current>    | Tag: base         | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| benchHandle10000Events () | 83.758ms (±0.00%) | 84.838ms (±0.00%) | -1.27%    | 35.544mb        | 35.544mb   | 0.00%       |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+

NoopSubscriptionEngineBench
===========================

+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
|                           | time (kde mode)                                   | memory                                     |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| subject                   | Tag: <current>    | Tag: base         | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| benchHandle10000Events () | 81.266ms (±0.00%) | 83.494ms (±0.00%) | -2.67%    | 47.560mb        | 47.560mb   | 0.00%       |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+

SubscriptionEngineBench
=======================

+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+
|                           | time (kde mode)                               | memory                                     |
+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+
| subject                   | Tag: <current>  | Tag: base       | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+
| benchHandle10000Events () | 3.430s (±0.00%) | 3.416s (±0.00%) | +0.41%    | 47.560mb        | 47.560mb   | 0.00%       |
+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+

CommandToQueryBench
===================

+----------------+------------------+------------------+-----------+-----------------+------------+-------------+
|                | time (kde mode)                                 | memory                                     |
+----------------+------------------+------------------+-----------+-----------------+------------+-------------+
| subject        | Tag: <current>   | Tag: base        | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------+------------------+------------------+-----------+-----------------+------------+-------------+
| benchCreate () | 2.845ms (±0.00%) | 2.715ms (±0.00%) | +4.81%    | 5.090mb         | 5.090mb    | 0.00%       |
| benchUpdate () | 4.712ms (±0.00%) | 4.251ms (±0.00%) | +10.84%   | 5.026mb         | 5.026mb    | 0.00%       |
| benchBoth ()   | 7.189ms (±0.00%) | 7.100ms (±0.00%) | +1.26%    | 5.015mb         | 5.074mb    | -1.17%      |
+----------------+------------------+------------------+-----------+-----------------+------------+-------------+

PersonalDataBench
=================

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 1.232ms (±0.00%)   | 1.219ms (±0.00%)   | +1.09%    | 35.585mb        | 35.585mb   | 0.00%       |
| benchLoad10000Events ()                | 101.488ms (±0.00%) | 100.171ms (±0.00%) | +1.31%    | 35.585mb        | 35.585mb   | 0.00%       |
| benchSave1Event ()                     | 1.841ms (±0.00%)   | 1.799ms (±0.00%)   | +2.35%    | 35.585mb        | 35.585mb   | 0.00%       |
| benchSave10000Events ()                | 248.808ms (±0.00%) | 252.715ms (±0.00%) | -1.55%    | 35.586mb        | 35.586mb   | 0.00%       |
| benchSave10000Aggregates ()            | 13.551s (±0.00%)   | 13.503s (±0.00%)   | +0.36%    | 35.585mb        | 35.585mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 10.122s (±0.00%)   | 10.127s (±0.00%)   | -0.05%    | 36.044mb        | 36.044mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

SnapshotsBench
==============

+----------------------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                   | memory                                     |
+----------------------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>    | Tag: base         | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| benchLoad10000EventsMissingSnapshot () | 63.098ms (±0.00%) | 64.640ms (±0.00%) | -2.39%    | 35.049mb        | 35.049mb   | 0.00%       |
| benchLoad10000Events ()                | 1.201ms (±0.00%)  | 1.205ms (±0.00%)  | -0.32%    | 35.049mb        | 35.049mb   | 0.00%       |
+----------------------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+

This comment gets update everytime a new commit comes in!