refactor: move SettingsProvider into package 'settings'

src/app/modules/settings/settings.module.ts

@@ -22,6 +22,7 @@ import {TranslateModule} from '@ngx-translate/core';
 
 import {SettingsItemComponent} from './item/settings-item.component';
 import {SettingsPageComponent} from './page/settings-page.component';
+import {SettingsProvider} from './settings.provider';
 
 const settingsRoutes: Routes = [
   { path: 'settings', component: SettingsPageComponent },
@@ -41,6 +42,7 @@ const settingsRoutes: Routes = [
   ],
   providers: [
     Geolocation,
+    SettingsProvider,
   ],
 })
 export class SettingsModule {}