Update some stuff (renable fancymenu on 1.21.10)

Add 1.21.9 and 1.21.10 NV and Sodium

Create buildapp.yml

Add 1.21.8, Other bugfixes and changes.

Change readme.md

1.8 Changes (+1.21.7)

Add 1.20.1 versions (Auto Unsupported, made for compatibility)

Add better filtering

Update pckagemodpack.yml

Update relese.yml