Add layout components, remove unused service

src/layout/appsidebar.ts

@@ -0,0 +1,17 @@
+import { Component, ElementRef } from '@angular/core';
+import { AppMenu } from '@/src/layout/appmenu';
+
+@Component({
+    selector: 'app-sidebar',
+    standalone:true,
+    imports: [
+        AppMenu
+    ],
+    template: `
+    <div class="layout-sidebar">
+        <app-menu></app-menu>
+    </div>`,
+})
+export class AppSidebar {
+    constructor(public el: ElementRef) {}
+}