Create telegram bot - @BotFather

Create config/dev.yaml looks like config/example.yaml and add telegram token

make up build=1 watch=1

For setting notification you need asking your bot:

>> ChatID

Add you ChatID in config/dev.yaml for templateToChats block

curl -X POST http://localhost:8081/send/pipeline-stage -d '{"username": "MyUsername", "state": "Start", "build-number": "123"}'