* 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`.
Restructures the project to be a library with generator exports, and
includes lune scripts as examples on how to use exported generators by
the library.
Also specifies `includes` and pins a pesde version in the package
manifest.
