[web-app] 初始化web端，angular+ts+less+ng-zorro

web-app/src/app/app.component.ts

@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-root',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.less']
+})
+export class AppComponent {
+  isCollapsed = false;
+}