build: upgrade to ionic 4 (update dependencies)

Closes #35

src/app/modules/data/detail/data-detail.component.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2018, 2019 StApps
  * This program is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
  * Software Foundation, version 3.
@@ -14,11 +14,11 @@
  */
 import {Component} from '@angular/core';
 import {ActivatedRoute} from '@angular/router';
-import {SCThings} from '@openstapps/core';
+import {SCThingOriginType, SCThings, SCThingType} from '@openstapps/core';
 
 @Component({
   selector: 'stapps-data-detail',
-  templateUrl: 'data-detail.html'
+  templateUrl: 'data-detail.html',
 })
 export class DataDetailComponent {
   item: SCThings;
@@ -29,8 +29,9 @@ export class DataDetailComponent {
       origin: {
         indexed: '2018-09-11T12:30:00Z',
         name: 'Dummy',
+        type: SCThingOriginType.Remote,
       },
-      type: 'dish',
+      type: SCThingType.Dish,
       uid: '',
     };
   }