* Include sourcemap, and sync config generators for Argon as a sync
tool.
* Add tests for aforementioned Argon generators.
* Refactor and fix test discovery logic in test runner script.
* Temporarily unpin fixed pesde version.
* Sets up a test runner system and includes unit tests for existing
generators using Rojo's test files.
* Configure Luau analysis and disables unnecessary lints.
* Make sync config generator accept a third options argument with a
`force` option to generate configs even when there is a
`default.project.json` present in the `projectDir`.