* Use apollo federation router to proxy gql queries to multiple watchers
* Use graphql stitch to proxy requests to all watchers
* Load watcher endpoints and prefixes from json
* Transpile typescript and setup lint
* Change conflicting metrics ports
* Add comments
* Create watcher in eth_call mode for Linear Star Release contract
* Update readme about unhandled queries
---------
Co-authored-by: Dhruv Srivastava <dhruvdhs.ds@gmail.com>