please make auto deploy button to heroku

[burpcute]

hello there ,
please make auto deploy button to heroku.com for easy build gear
thanks & fine regards

[shesek]

I'm not sure if Heroku is the right environment for charge, since it requires a bitcoin full node. I might be wrong though, I haven't used Heroku for a few good years now. But if someone does manage to get a "Deploy to Heroku" button working, I'll gladly accept a PR!