Dark mode support

[Fatme]

Is your feature request related to a problem? Please describe.

Android 10 and iOS 13 introduce system-wide dark appearance for all user interface elements, known as Dark theme for Android and Dark Mode for iOS. They allow users to toggle their interface and focus on the application’s content based on ambient lighting conditions.

Dark theme for Android:
https://developer.android.com/guide/topics/ui/look-and-feel/darktheme

Dark Mode for iOS:
https://developer.apple.com/documentation/appkit/supporting_dark_mode_in_your_interface

Core-shared applications should looks good when the device is in dark mode.

Acceptance criteria:

• The code shared application should look good on iOS 13 devices/simulators in dark mode.
• The code shared application should look good on Android 10 devices/emulators in dark mode.