Loggging in

With Heroku

1. Visit your Heroku dashboard page. Make sure that the web dyno is enabled. Leave the other dyno untouched.
2. Click the Open App button at the top of the page.

From Termux/PC

1. Open a web browser
2. Visit http://localhost:8080

For all devices

1. 
   You will see a page like this. Click on the button (there will be one per user account).
2. Check your Telegram Saved Messages - you will have a 5-digit code there. Type it into the web interface and it will authenticate you.
3. 
   You will see this screen.