Umbau auf postgres 2. step

bizmatch/src/app/services/subscriptions.service.ts

@@ -2,7 +2,7 @@ import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
 import { environment } from '../../environments/environment';
 import { HttpClient } from '@angular/common/http';
-import { Subscription } from '../../../../common-models/src/main.model';
+import { Subscription } from '../../../../bizmatch-server/src/models/main.model';
 
 @Injectable({
   providedIn: 'root'