feat(data): implement basic facets handling

Related to #1

src/app/modules/data/data.module.ts

@@ -19,6 +19,7 @@ import {FormsModule} from '@angular/forms';
 import {IonicModule} from '@ionic/angular';
 import {TranslateModule} from '@ngx-translate/core';
 import {StorageModule} from '../storage/storage.module';
+import {DataFacetsProvider} from './data-facets.provider';
 import {DataRoutingModule} from './data-routing.module';
 import {DataProvider} from './data.provider';
 import {DataDetailComponent} from './detail/data-detail.component';
@@ -55,6 +56,7 @@ import {EventListItemComponent} from './types/event/event-list-item.component';
   ],
   providers: [
     DataProvider,
+    DataFacetsProvider,
     StAppsWebHttpClient,
   ],
 })