Add Llamalend v2 developer documentation

[mo-anon]

Summary

• Adds a new Llamalend v2 section to the developer docs covering the core lending infrastructure contracts
• Overview page with architecture diagram (Mermaid), new features, security improvements vs v1, Vyper module system explanation, and audit placeholder
• 5 contract reference pages: LendFactory, Vault, LendController, LendControllerView, AMM (LLAMMA) — all with function signatures, parameter tables, and return descriptions
• Enables Mermaid diagram rendering site-wide (markdown.mermaid: true in docusaurus config)
• Adds sidebar entry for the new section

Status: Work in Progress

This PR is not final. The contracts are still being finalized as audit findings are being addressed. Specifically:

• Source code blocks (<SourceCode>) are intentionally left empty — they will be filled once the contract code is finalized and deployed
• Example blocks (<Example>) are also empty — will be added with live <ContractCall> components once deployment addresses are available
• ABI blocks are not yet included — will be added from the final deployed contracts
• Deployment addresses are placeholders — will be updated post-deployment
• The Audits section is a placeholder pending public release of audit reports

Once the code is finalized and deployed, a follow-up pass will fill in all source code, examples, ABIs, and deployment info.

Test plan

• yarn build passes with no new errors
• Review overview page content for accuracy
• Verify Mermaid diagram renders correctly
• Check all sidebar links work

🤖 Generated with Claude Code

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Project	Deployment	Actions	Updated (UTC)
docs	Ready	Preview, Comment	Mar 20, 2026 1:15pm