chore: update .gitignore to exclude generated API documentation path

- Removed the exclusion for openapi.json and added the path for generated API documentation files.
- This change ensures that the generated documentation is properly managed and not ignored during builds.

Author: Mauricio Siu

.gitignore

@@ -42,5 +42,4 @@ yarn-error.log*
 *.pem
 
 # Generated files
-apps/docs/public/openapi.json
 apps/docs/content/docs/api/generated/