chore: move docs to docs/ folder and remove vendor references from comments

- Move INTERACTIVE_MESSAGES.md to docs/ folder
- Remove all third-party name references from code comments
- Temporarily remove docs from .gitignore to allow tracking

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitignore

@@ -9,7 +9,6 @@ baileys_store*.json
 browser-messages.json
 browser-token.json
 decoded-ws.json
-docs
 lib
 messages*.json
 node_modules