First attempt alpha room list sorting

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

src/settings/controllers/RoomListOrderingController.js

@@ -0,0 +1,25 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+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 SettingController from "./SettingController";
+
+export default class RoomListOrderingController extends SettingController {
+    augmentValue(level, roomId, newValue): * {
+        // currently we expose algorithm as a boolean but store it as a string for future flexibility
+        // where we may want >2 algorithms available for the user to choose between.
+        return newValue ? "recent" : "alphabetic";
+    }
+}