feat: add backend toggle

src/app/modules/data/data.provider.ts

@@ -18,6 +18,7 @@ import {SCSearchQuery, SCSearchResponse, SCThingOriginType, SCThings, SCThingTyp
 import {SCSaveableThing} from '@openstapps/core';
 import {StorageProvider} from '../storage/storage.provider';
 import {StAppsWebHttpClient} from './stapps-web-http-client.provider';
+import {environment} from './../../../environments/environment';
 
 export enum DataScope {
   Local = 'local',
@@ -45,7 +46,7 @@ export class DataProvider {
   /**
    * TODO
    */
-  backendUrl = 'http://localhost:3000';
+  backendUrl = environment.backend_url;
   /**
    * TODO
    */