[Feature Request] port to Plasma 6 and QT 6

[OzzyHelix]

Plasma 6 has released and uses QT 6 would it be possible to port this to Plasma 6 it would be helpful for users who want to use this window decoration. thanks Ozzy

[es-fabricemarie]

A fork of a fork has it:
https://github.com/moodyhunter/SierraBreeze6