Supports most of the grain types now while maintaining compatibility
with the old stuff (at least the subset of things jak1 uses)
Would benefit from some testing in Jak 1 to make sure I didn't break
anything.
Sorry the git history is a mess, I'll do something about it later.
* extractor: refactor and cleanup for multi-game support
* deps: switch to `ghc::filesystem` as it is utf-8 everywhere by default
* extractor: finally working with unicode
* unicode: fix unicode cli args on windows in all `main` functions