added gitter rooms
added gitter rooms
phajduk/reactivex.github.io,ReactiveX/reactivex.github.io,ReactiveX/reactivex.github.io,BattleShipPark/reactivex.github.io,phajduk/reactivex.github.io,BattleShipPark/reactivex.github.io,phajduk/reactivex.github.io,ReactiveX/reactivex.github.io,BattleShipPark/reactivex.github.io