Add network status component.

- Tracks status uof user's network connection.

src/app/shared/shared.module.ts

@@ -10,6 +10,7 @@ import {MatIconModule} from '@angular/material/icon';
 import {TokenRatioPipe} from '@app/shared/_pipes/token-ratio.pipe';
 import { ErrorDialogComponent } from './error-dialog/error-dialog.component';
 import {MatDialogModule} from '@angular/material/dialog';
+import { NetworkStatusComponent } from './network-status/network-status.component';
 
 
 
@@ -21,15 +22,17 @@ import {MatDialogModule} from '@angular/material/dialog';
     MenuSelectionDirective,
     MenuToggleDirective,
     TokenRatioPipe,
-    ErrorDialogComponent
-  ],
-  exports: [
-    TopbarComponent,
-    FooterComponent,
-    SidebarComponent,
-    MenuSelectionDirective,
-    TokenRatioPipe
+    ErrorDialogComponent,
+    NetworkStatusComponent
   ],
+    exports: [
+        TopbarComponent,
+        FooterComponent,
+        SidebarComponent,
+        MenuSelectionDirective,
+        TokenRatioPipe,
+        NetworkStatusComponent
+    ],
   imports: [
     CommonModule,
     RouterModule,