- add marker service

- enable dependency injection with webpack configuration

src/app/app.module.ts

@@ -4,12 +4,40 @@ import { BrowserModule } from "@angular/platform-browser";
 import { AppComponent } from './app.component';
 import { MapComponent } from './map/map.component';
 
+import { HttpClientModule } from '@angular/common/http'; //for http requests
+// import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
+// import { TranslateHttpLoader } from '@ngx-translate/http-loader';
+import { MarkerService } from './marker.service';
+
+// siehe https://52north.github.io/helgoland-toolbox/additional-documentation/how-tos/integrate-a-map-component.html
+// https://52north.github.io/helgoland-toolbox/components/LocateControlComponent.html#source
+// import { HelgolandMapControlModule, HelgolandMapSelectorModule } from '@helgoland/map';
+// import { HelgolandSelectorModule } from '@helgoland/selector';
+// import { HelgolandDatasetlistModule } from '@helgoland/depiction';
+// import { DatasetApiInterface, SplittedDataDatasetApiInterface } from '@helgoland/core';
+
+// import 'core-js';
+
 @NgModule({
     // declarations: The components, directives, and pipes that belong to this NgModule.
     declarations: [AppComponent, MapComponent],
     // imports: Other modules whose exported classes are needed by component templates declared in this NgModule.
-    imports: [BrowserModule],
-    providers: [],
+    imports: [BrowserModule, HttpClientModule],
+    //   TranslateModule.forRoot({
+    //   loader: {
+    //     provide: TranslateLoader,
+    //     useFactory: HttpLoaderFactory,
+    //     deps: [HttpClient]
+    //   }
+    // }),
+    //  HelgolandSelectorModule,    HelgolandMapControlModule, HelgolandMapSelectorModule, HelgolandDatasetlistModule],
+    providers: [
+      MarkerService,
+      // {
+      //   provide: DatasetApiInterface,
+      //   useClass: SplittedDataDatasetApiInterface
+      // }
+    ],
     // bootstrap: The main application view, called the root component, which hosts all other application views. 
     // Only the root NgModule should set the bootstrap property.
     bootstrap: [AppComponent],
@@ -17,5 +45,9 @@ import { MapComponent } from './map/map.component';
   export class AppModule {
     constructor() {}
   }
+
+  // export function HttpLoaderFactory(http: HttpClient) {
+  //   return new TranslateHttpLoader(http);
+  // }
   
   // https://medium.com/@hubert.zub/using-babel-7-and-preset-typescript-to-compile-angular-6-app-448eb1880f2c