Ajout de loading sur le chargement

de l'application + lors du chargement
des composants

Front/skydivelogs-app/src/app/list-of-jumps/list-of-jumps.component.html

@@ -30,6 +30,9 @@
     <tr mat-header-row *matHeaderRowDef="displayedColumns"></tr>
     <tr mat-row *matRowDef="let row; columns: displayedColumns;"></tr>
   </table>
+  <mat-paginator [length]="resultsLength" [pageSize]="10"></mat-paginator>
 </div>
-<mat-paginator [length]="resultsLength" [pageSize]="10"></mat-paginator>
-<ng-template #loading>Waiting...</ng-template>
+
+<ng-template #loading>
+  <mat-progress-spinner [mode]="'indeterminate'"></mat-progress-spinner>
+</ng-template>