Notification no-merged commits between 2 branches on slack.
## Install
$ heroku create git-reporter --buildpack heroku/go
$ heroku addons:create scheduler:standard
## Environment variable
$ heroku config:add ENC_KEY=xxxxx
$ heroku config:add ENC_IV=xxxxx
## Check
$ heroku ps -a git-reporter
## Deploy
$ git push -f heroku master
## Execute
$ heroku run git-reporter -t /app/libs/configs/settings.toml -d /app/tmp/gittest