Added paths and some standard code used in different projects

apps/dafa-web/src/app/pages/page-not-found/page-not-found.module.ts

@@ -0,0 +1,17 @@
+import { DigiNgIconArrowLeftModule } from '@af/digi-ng/_icon/icon-arrow-left';
+import { DigiNgTypographyBaseModule } from '@af/digi-ng/_typography/typography-base';
+import { CommonModule } from '@angular/common';
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { PageNotFoundComponent } from './page-not-found.component';
+
+@NgModule({
+  declarations: [PageNotFoundComponent],
+  imports: [
+    CommonModule,
+    RouterModule.forChild([{ path: '', component: PageNotFoundComponent }]),
+    DigiNgTypographyBaseModule,
+    DigiNgIconArrowLeftModule,
+  ],
+})
+export class PageNotFoundModule {}