message: send telegram message when build is ready
diff: @@ -36,3 +36,7 @@ echo "Create pull request at"
  echo
  echo " https://github.com/swaponline/mainnet.build/compare/master...deploy"
  echo
  +
  +if [ $BOT_TOKEN ]; then
  + curl https://api.telegram.org/bot$BOT_TOKEN/sendMessage?chat_id=-329333490\&text="https://github.com/swaponline/mainnet.build/compare/master...deploy"
  +fi
  