Add hydra-notify to devshell

Dependencies

• [2] LYO7KK3J Address PR comments:
• [*] KPWMZFHZ Add runHydra shell

Change contents

• edit in Procfile at line 4
  [2.137]

  [2.137]
  + hydra-notify: ./foreman/start-notify.sh
• file addition: start-notify.sh (---r------)
  [2.425]
  + #!/bin/sh

  +

  + # wait for hydra-server to listen

  + while ! nc -z localhost 63333; do sleep 1; done

  +

  + touch .hydra-data/hydra.conf

  + HYDRA_CONFIG=$(pwd)/.hydra-data/hydra.conf exec hydra-notify