Add the capacitor [Splash Screen](https://capacitor.ionicframework.com/docs/apis/splash-screen/) and [Status Bar](https://capacitor.ionicframework.com/docs/apis/status-bar/) plugins to control the app loading behaviour. **Tasks** - [ ] The app splash screen must hide as soon as the app is loaded. - [x] Change the status bar colour according to app theme. On hold: https://github.com/ionic-team/capacitor/issues/2700