Home widget with missing animes

[Ziedelth]

Create a widget for home screen with the latest missing animes
See https://pub.dev/packages/home_widget

[Ziedelth]

Make a fork of home_widget (https://github.com/ABausG/home_widget) package to fix the different issues with Android and Gradle 8

[Ziedelth]

For the update, use the firebase background method on notifications? Add a text on widget with the last update time