WIP: apply bootstrap theme

* open/close sidebar

resource/styles/scss/_override-agileadmin.scss

@@ -6,8 +6,10 @@
   .logo .logo-text {
     display: none;
   }
-  .sidebar {
-    display: none;
+  @media(min-width:768px) {
+    .sidebar {
+      display: none;
+    }
   }
   #page-wrapper {
     margin-left: 0;