Add file upload functionality with dialog components and update image handling

jambotron-ui/src/app/app.module.ts

@@ -17,6 +17,7 @@ import {AppRoutingModule} from './app.routes';
 import {App} from './app';
 import {CustomHttpInterceptor} from './helpers/custom-http-interceptor';
 import {AngularMarkdownEditorModule} from 'angular-markdown-editor';
+import {MatFormFieldModule} from '@angular/material/form-field';
 
 
 @NgModule({
@@ -33,7 +34,8 @@ import {AngularMarkdownEditorModule} from 'angular-markdown-editor';
     AdminWelcomeComponent,
     SettingsComponent,
     SystemComponent,
-    AngularMarkdownEditorModule.forRoot({ iconlibrary: 'fa' })
+    AngularMarkdownEditorModule.forRoot({ iconlibrary: 'fa' }),
+    MatFormFieldModule
   ],
   providers: [
     authInterceptorProviders,provideHttpClient(withInterceptorsFromDi()),{