* Add an option to pass env file to deploy command
* Use env variable mapping in fixturenet-optimism stack
* Use default values from checked in env files
* Use env variable mapping in mobymask-v2 stack
* Update instructions
* Add extra hosts in app compose files and update instructions
* Add CERC prefix to env variables in fixturenet-optimism stack
* Add CERC prefix to env variables in mobymask-v2 stack
* Separate out watcher and web-apps in mobymask stack
* Take L2 RPC endpoint from the env file
* Changes to run watcher and mobymask web-app separately
* Support running watcher without contract deployment and L2 txs
* Remove duplicate mobymask params env
* Add code comments
* Add instructions for running web-apps separately
* Self review fixes
* Fix timeout for mobymask-app on watcher server
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Co-authored-by: prathamesh0 <prathamesh.musale0@gmail.com>