add groc config file
add groc config file

[ci skip]

madmatt/nodecg,IgorCandido/igrcnddStreamNotifications,madmatt/nodecg,nodecg/nodecg,nodecg/nodecg,nseckinoral/nodecg,IgorCandido/igrcnddStreamNotifications,nodecg/nodecg,nseckinoral/nodecg