100. Register service call (#12)

support-portal-frontend/src/app/service/authentication.service.ts

@@ -3,6 +3,7 @@ import {environment} from "../../environments/environment";
 import {HttpClient, HttpErrorResponse, HttpResponse} from "@angular/common/http";
 import {UserLogin} from "../dto/user-login";
 import {Observable} from "rxjs";
+import {User} from "../model/user";
 
 @Injectable({
   providedIn: 'root'
@@ -19,5 +20,9 @@ export class AuthenticationService {
     (`${this.host}/user/login`, userDto, {observe: 'response'});
   }
 
+  public register(user: User): Observable<User | HttpErrorResponse> {
+    return this.httpClient
+      .post<User | HttpErrorResponse>(`${this.host}/user/register`, user);
+  }
 
 }