New Attachmentes Page with Skeleton. EventAttachments Model revised. Compatibility with v2. Get Attachments revised.

src/app/pages/events/events-routing.module.ts

@@ -11,6 +11,10 @@ const routes: Routes = [
   {
     path: 'event-detail',
     loadChildren: () => import('./event-detail/event-detail.module').then( m => m.EventDetailPageModule)
+  },
+  {
+    path: 'attachments',
+    loadChildren: () => import('./attachments/attachments.module').then( m => m.AttachmentsPageModule)
   }
 ];