https://help.github.com/en/github/authenticating-to-github/managing-commit-signature-verification
gpg --list-secret-keys --keyid-format LONG
git config --global user.signingkey [KEY FROM LIST-SECRET-KEYS]
git config --global commit.gpgsign true
https://help.github.com/en/github/authenticating-to-github/managing-commit-signature-verification
gpg --list-secret-keys --keyid-format LONG
git config --global user.signingkey [KEY FROM LIST-SECRET-KEYS]
git config --global commit.gpgsign true