format date

src/app/transaction/components/list/list.component.html

@@ -4,7 +4,7 @@
     <table mat-table [dataSource]="dataSource">
       <ng-container matColumnDef="date">
         <th mat-header-cell *matHeaderCellDef>Datum</th>
-        <td mat-cell *matCellDef="let transaction">{{ transaction.date }}</td>
+        <td mat-cell *matCellDef="let transaction">{{ transaction.date | date: 'dd.MM.yyyy' }}</td>
       </ng-container>
 
       <ng-container matColumnDef="from">