* Add a stack for Gelato watcher
* Add option to create and use a state snapshot
* Add commands to create and import a state checkpoint
* Rename ipld-eth-server endpoint env variables
* Fix default env variable
* Setup gateway-server with watchers
* Add js script to merge toml config files
* Remove individual watcher configs
* Add all azimuth watchers in stack
* Fix toml-js install
* Use env variables for ipld-eth-server endpoints
* Checkout to version tag in azimuth-watcher-ts repo
