This PR migrates transformers to use GitHub Actions instead of Travis for CI, as tracked for all core libraries in https://github.com/purescript/purescript/issues/3962. It also updates the installation instructions to refer to Spago instead of Bower.
This PR migrates transformers to use GitHub Actions instead of Travis for CI, as tracked for all core libraries in https://github.com/purescript/purescript/issues/3962. It also updates the installation instructions to refer to Spago instead of Bower.