put settings and sign out in top left menu for now

res/css/structures/_TopLeftMenu.scss

@@ -0,0 +1,39 @@
+/*
+Copyright 2018 New Vector 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.
+*/
+
+.mx_TopLeftMenu {
+    min-width: 180px;
+
+    .mx_TopLeftMenu_section:not(:last-child) {
+        border-bottom: 1px solid $menu-border-color;
+    }
+
+    .mx_TopLeftMenu_section {
+        list-style: none;
+        margin: 5px 0;
+        padding: 0;
+
+        li {
+            white-space: nowrap;
+            padding: 5px 20px;
+        }
+
+        li:hover {
+            background-color: $menu-selected-color;
+        }
+    }
+
+}