🧹 Chores

Updated Continuous Integration Configurations

Added GitHub Actions workflows to start the migration of this project to GitHub Actions from CircleCI.

Added linting configurations to match what Terragrunt uses, and that also involved cleaning up some tests, and some small refactors throughout the codebase.

What's Changed

• chore: Adding GitHub Actions Workflows by @yhakbar in #245

Full Changelog: v0.10.0...v0.10.1