* changes for new version of esplora image
* add electrs port and esplora url env vars in compose yaml files
* wrap viper methods into Config type and use constants package
* add controller to interact with nigiri resources:
* .env for docker-compose
* docker daemon
* json config file
* add use of constants and config packages and change start flag from --port to --env
* add package for global constants and variables
* add use of controller and constants packages instead of local methods and vars
* bump version
* use contants in logs command tests
* disable liquid faucet for next release
* use vars instead of hardcoding services external ports
* add .env to gitignore
* change paths
* add --ports flag to set services external ports
* remove roadmap
* fix change paths
* scratch ~/.nigiri when running script install
* fix compose files and add esplora containers
* refactor
* use docker lib to check containers
* collapse commands in order to have just start and stop
* move from command to flag for version
* update README
* fix docker checks