[WIP] Add guide for installing GitHub on VSCode for Windows#1

Copilot wants to merge 1 commit intotwrp-12.1Jagatg/android_device_xiaomi_ice-TWRP:twrp-12.1from

copilot/install-github-on-vscode-windowsJagatg/android_device_xiaomi_ice-TWRP:copilot/install-github-on-vscode-windowsCopy head branch name to clipboard