Update documentation

.roo/rules/01-general.md

@@ -14,6 +14,7 @@ Here are special rules you must follow:
 12. Before completing work, ensure that no design docs are left out of sync
 13. Plans go into docs/plans/*.md. These may not be kept in sync, as they are just for brainstorming.
 14. Database migrations are automatically created via `flask db migrate -m 'message'`. NEVER create migrations by hand.
+15. In the technical documentation, code should be used sparingly. Also, when needed, focus on the APIs, and only use snippets.
 
 
 # Conventions