This is a CLI only tool, see help.md for usage.
Installation isn't really necessary, it's much easier just to use:
npx @tghp/tghp-project wordpress-project "Test Project" test-project
But you can also install using:
npm i -g @tghp/tghp-project
After which you can use it as follows:
tghpproject wordpress-project "Test Project" test-project