build: migrate from cordova to capacitor

Closes #85

src/app/app.component.ts

@@ -13,8 +13,7 @@
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
 import {Component} from '@angular/core';
-import {SplashScreen} from '@ionic-native/splash-screen/ngx';
-import {StatusBar} from '@ionic-native/status-bar/ngx';
+import {SplashScreen} from '@capacitor/splash-screen';
 import {Platform} from '@ionic/angular';
 import {NGXLogger} from 'ngx-logger';
 import {ConfigProvider} from './modules/config/config.provider';
@@ -45,16 +44,12 @@ export class AppComponent {
   /**
    *
    * @param platform TODO
-   * @param statusBar TODO
-   * @param splashScreen TODO
    * @param settingsProvider TODO
    * @param configProvider TODO
    * @param logger An angular logger
    */
   constructor(
     private readonly platform: Platform,
-    private readonly statusBar: StatusBar,
-    private readonly splashScreen: SplashScreen,
     private readonly settingsProvider: SettingsProvider,
     private readonly configProvider: ConfigProvider,
     private readonly logger: NGXLogger,
@@ -67,10 +62,7 @@ export class AppComponent {
    */
   async initializeApp() {
     this.platform.ready().then(async () => {
-      // Okay, so the platform is ready and our plugins are available.
-      // Here you can do any higher level native things you might need.
-      this.statusBar.styleDefault();
-      this.splashScreen.hide();
+      await SplashScreen.hide();
 
       // initialise the configProvider
       try {