🧹 chore: add .codemap to .gitignore

Generated codemap files should not be tracked in version control.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: ersinkoc

.gitignore

@@ -72,6 +72,8 @@ data/
 
 # Generated dev artifacts
 models-dev-full.json
+.codemap/
+.codemapignore
 
 # Runtime workspace directories
 packages/gateway/workspace/