Label the create room button something better than "Add room"

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

src/components/views/rooms/RoomList.js

@@ -785,6 +785,7 @@ export default createReactClass({
                 label: _t('Rooms'),
                 incomingCall: incomingCallIfTaggedAs('im.vector.fake.recent'),
                 onAddRoom: () => {dis.dispatch({action: 'view_create_room'});},
+                addRoomLabel: _t("Create room"),
             },
         ];
         const tagSubLists = Object.keys(this.state.lists)

src/i18n/strings/en_EN.json

@@ -1113,6 +1113,7 @@
     "Direct Messages": "Direct Messages",
     "Start chat": "Start chat",
     "Rooms": "Rooms",
+    "Create room": "Create room",
     "Low priority": "Low priority",
     "Historical": "Historical",
     "System Alerts": "System Alerts",