[web-app] ng-alain模版工程初始化

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

@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'layout-blank',
+  template: `<router-outlet></router-outlet> `,
+  host: {
+    '[class.alain-blank]': 'true'
+  }
+})
+export class LayoutBlankComponent {}