start-hydra: create a db for the current username

Dependencies

• [2] LEQWZ3IJ Use custom ports for postgres/hydra
• [*] KPWMZFHZ Add runHydra shell

Change contents

• edit in foreman/start-hydra.sh at line 7
  [2.393]

  [4.1097]
  +

  + # create a db for the default user. Not sure why, but

  + # the terminal is otherwise spammed with:

  + #

  + # FATAL: database "USERNAME" does not exist

  + createdb -h $(pwd)/.hydra-data/postgres -p 64444 "$(whoami)" || true