Apply magisk patch and avb sign boot image with github action

Features

Unpack boot.img/vbmeta.img from rom download url
Apply magisk patch to boot.img
Sign magisk.img using avbtool and testkey

Guide

Fork this repo
Go to the Action tab in your forked repo
In the left sidebar, click the Magisk Boot Patch Application workflow.
Above the list of workflow runs, select Run workflow
Input your rom download url, select its cpu abi (mostly arm64-v8a) and click Run workflow
Wait for the action to complete and download the artifact DO NOT download it via multithread downloaders like IDM or ADM
Unzip the artifact named magisk

Credits

MagiskOnWSA: Magisk On WSA
Magisk: The most famous root solution on Android