Add new components for designer

apps/showcase/components/layout/AppMenu.vue

@@ -0,0 +1,35 @@
+<template>
+    <aside class="layout-sidebar" :class="{ active: active }">
+        <nav>
+            <ol class="layout-menu">
+                <AppMenuItem :menu="menu"></AppMenuItem>
+            </ol>
+        </nav>
+    </aside>
+</template>
+
+<script>
+import menudata from '@/assets/menu/menu.json';
+import AppMenuItem from './AppMenuItem.vue';
+export default {
+    props: {
+        active: {
+            type: Boolean,
+            default: true
+        }
+    },
+    data() {
+        return {
+            menu: menudata.data
+        };
+    },
+    computed: {
+        darkTheme() {
+            return this.$appState.darkTheme === true;
+        }
+    },
+    components: {
+        AppMenuItem
+    }
+};
+</script>