Fills the database with demo data. See Gamend.DemoSeed for the sets and
options; a release runs the same code as gamend demo.seed.
mix demo.seed --count 250 --only leaderboard,group
mix demo.seed --cleanFills the database with demo data. See Gamend.DemoSeed for the sets and
options; a release runs the same code as gamend demo.seed.
mix demo.seed --count 250 --only leaderboard,group
mix demo.seed --clean