fix(sdbapi): name fields correctly in JSON
feat(sdbapi): add GAMESTATE_CANCELLED
WIP(sdbapi): actions table
WIP(sdbapi): game creation API
feat(sdbapi): replace gorm.Model with own fields
feat(sdbapi): init game management apis
Basic API with register and login (#1) Reviewed-on: https://src.quest/skye/deck-builder/pulls/1