toevoeging baseApi + versienummer

src/app/services/appointment.service.ts

@@ -1,13 +1,13 @@
 import {Injectable} from '@angular/core';
 import {HttpClient} from '@angular/common/http';
 import {Appointment} from '../models/appointment';
+import {environment} from '../../environments/environment';
 
 @Injectable({
   providedIn: 'root',
 })
 export class AppointmentService {
-  // baseApi = "http://localhost:8080/api/appointments";
-  baseApi = "https://api.melvanveen.nl/api/appointments";
+  baseApi = `${environment.baseApi}/appointments`;
 
   constructor(private http: HttpClient) {
   }