feat(data): use data provider for list and detail view

src/app/modules/data/detail/data-detail.html

@@ -8,7 +8,7 @@
   </ion-toolbar>
 </ion-header>
 
-<ion-content padding>
+<ion-content padding *ngIf="item">
   <stapps-data-list-item [item]="item"></stapps-data-list-item>
 
   <div [ngSwitch]="item.type">
@@ -18,4 +18,4 @@
       <p *ngIf="item.description">{{item.description}}</p>
     </span>
   </div>
-</ion-content>
+</ion-content>