add saldo to mieter

hv-ui/src/app/config.ts

@@ -1 +1 @@
-export const serviceBaseUrl = "http://172.16.10.29:5000";
+export const serviceBaseUrl = "http://localhost:5000";

hv-ui/src/app/mieter.ts

@@ -13,4 +13,5 @@ export interface Mieter {
     telefon: string;
     einzug: string;
     auszug: string;
+    saldo: number;
 }

hv-ui/src/app/mieters/mieters.component.html

@@ -3,7 +3,7 @@
 <ul>
     <li *ngFor="let mieter of mieters"
         routerLink="/mieter/{{mieter.id}}">
-        <span>{{mieter.vorname}} {{mieter.nachname}}</span>
+        <span>{{mieter.nachname}}, {{mieter.vorname} ({{mieter.saldo}})</span>
     </li>
 </ul>
 </section>