Run `hydra-dev-server`

Execute hydra-dev-server instead of hydra-server

Co-authored-by: Graham Christensen <graham@grahamc.com>

Created by  Tobias Pflug  on May 14, 2020
PGSWHMH6LAVDMLJJFGMVBMOM6BYOUKUX673X45V3W7W3SWQXW2VAC
Change contents