feat: add not found screen

src/app/modules/data/data.module.ts

@@ -16,6 +16,7 @@ import {CommonModule} from '@angular/common';
 import {HttpClientModule} from '@angular/common/http';
 import {NgModule} from '@angular/core';
 import {FormsModule} from '@angular/forms';
+import {Network} from '@ionic-native/network/ngx';
 import {IonicModule} from '@ionic/angular';
 import {TranslateModule} from '@ngx-translate/core';
 import {MarkdownModule} from 'ngx-markdown';
@@ -135,6 +136,7 @@ import {VideoListItem} from './types/video/video-list-item.component';
   providers: [
     DataProvider,
     DataFacetsProvider,
+    Network,
     StAppsWebHttpClient,
   ],
 })