A Template Android project with lots of stuff already setup for you. You can check in detail what this repository comes with in this article https://medium.com/gitconnected/an-android-studio-template-project-for-your-android-apps-ca9ed9002f5
In order to run Ktlint with Git Hooks before a commit you need to set manually the hook path with this command:
git config -local core.hooksPath .githooks