Prepare UX Rework:

- Define the 4 tabs: Home, Fav, People and Rooms

Riot/ViewController/RoomsViewController.h

@@ -0,0 +1,24 @@
+/*
+ Copyright 2017 Vector Creations Ltd
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+#import "RecentsViewController.h"
+
+/**
+ The `RoomsViewController` screen is the view controller displayed when `Rooms` tab is selected.
+ */
+@interface RoomsViewController : RecentsViewController <MXKRecentListViewControllerDelegate>
+
+@end