Init RoomListModel and test sync.

qml/Room.qml

@@ -0,0 +1,19 @@
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import "qrc:/qml/form"
+
+Page {
+    property var roomListModel
+
+    RoomListForm {
+        id: contactListForm
+        height: parent.height
+        width: 320
+    }
+
+    ContactDetailForm {
+        id: contactDetailForm
+        anchors.fill: parent
+        anchors.leftMargin: contactListForm.width
+    }
+}