feat: Use app ownership for seamless and automated background updates

[oddbyte]

Feature description

As described in
https://source.android.com/docs/setup/create/app-ownership
You can set yourself as the owner of the revenge app and update it automatically w/o user input, without shizuku.

Motivation

You can add a auto update switch, which will really be beneficial to non-root users who don't want to manually update Revenge.

Acknowledgements

• I have checked all open and closed feature requests and this is not a duplicate
• I have chosen an appropriate title.
• All requested information has been provided properly.