chore: gitignore cloudflare-worker/src/ (generated TS types)

api-types.ts is generated from openapi.yaml via proto:clients:types.
Same rationale as packages/ — commit the source spec, not the derived artifact.

https://claude.ai/code/session_01WX7GbU19M9fh3tAfAxzeET

Author: claude

cloudflare-worker/.gitignore

@@ -1,6 +1,9 @@
 # Generated during build - source is at data/festivals.json
 festivals.json
 
+# Generated from proto via proto:clients:types — regenerate with: MISE_ENV=dev ./bin/mise run proto:clients:types
+src/
+
 # Node.js
 node_modules/