Update .gitignore to exclude kotlin-js-store directory (#343)

improve git repository 

## Breaking Changes
no

## Checklist
- [x] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [ ] My code follows the repository's style guidelines
- [ ] New and existing tests pass locally
- [ ] I have added appropriate error handling
- [ ] I have added or updated documentation as needed

Author: devcrocod

.gitignore

@@ -21,6 +21,7 @@ out/
 
 ### Kotlin ###
 .kotlin
+kotlin-js-store
 yarn.lock
 
 ### Eclipse ###