fast gcm setup for wsl

fast_gcm_setup_for_wsl.sh

#1 install latest git for windows
https://github.com/git-for-windows/git/releases/tag/v2.47.1.windows.2

#2 set gcm as the git credential helper
git config --global credential.helper "/mnt/c/Program\ Files/Git/mingw64/bin/git-credential-manager.exe"

#3 create symlink in .zshrc
if [ ! -e /usr/local/bin/git-credential-manager ]; then
    sudo ln -s "/mnt/c/Program Files/Git/mingw64/bin/git-credential-manager.exe" /usr/local/bin/git-credential-manager
fi

#4 refresh .zshrc
source ~/.zshrc

#5 config
git-credential-manager configure
git-credential-manager github login
# > token > https://github.com/settings/keys