Feat: room-link copy

handlers/actions.go

@@ -19,6 +19,7 @@ func createRoom(ctx context.Context, req *models.RoomReq) (*models.Room, error)
 		return nil, err
 	}
 	room := req.CreateRoom(creator)
+	room.RoomLink = cfg.BaseURL + "/room-join?id=" + room.ID
 	if err := saveRoom(room); err != nil {
 		return nil, err
 	}