Implements #149

Avoid fetching the default server every time when the user hasn't chosen one by explicitly assigning the default value

Implements #147

Fixes #146

Implements #142

Fixes #144

Implements #145

Resolve "Add support for wildcard dns rules"

Closes #138

See merge request PublicAndroidApps/smokescreen!34

Create hosts which contain * as wildcard hosts (* translates to anything without a period, ** is * with period included)

Added a dialog shown when the app doesn't have access to the vpn yet and an overlay seems to be active

Implements #143

Currently translated at 100.0% (91 of 91 strings)

Translation: Nebulo/Dialog strings
Translate-URL: https://weblate.frostnerd.com/projects/nebulo/dialog-strings/de/