docs(glossary): "Intercommunication Messaging Queue", one word

Only the IMQ entry's expansion, which is the one place the phrase is presented
as the definition of the abbreviation.

Left alone deliberately, because they are not the same thing: the lowercase
descriptive uses in both footers, site.yml's slogan and /intro/'s meta, and the
comments in site.yml, intro/index.html and _includes/org/intro.md that QUOTE
the original 2018 wording as history. Rewriting a quotation of the old phrasing
would defeat the comment's purpose.

Author: Mikhus

src/org/glossary/index.md

@@ -20,7 +20,7 @@ signature has one short answer and one authoritative link.
 
 ### IMQ
 
-IMQ is the abbreviation of **Inter-Communication Messaging Queue**, the phrase the
+IMQ is the abbreviation of **Intercommunication Messaging Queue**, the phrase the
 project's name is built from. `@imqueue`, `imqueue`, `IMQ` and "I Message Queue"
 all refer to the same framework: a message-queue RPC framework for Node.js and
 TypeScript back-ends. The `IMQ` prefix also names most of its exported types —