Closes #11 🐔️👍️
Approved-by: belazy <aarthuur01@gmail.com>
Approved-by: aalbert <augustin.albert@bleu-azure.fr>

🦀️🍰🦀️🍰🦀️🍰

* chore: Use reexport of dependencies

* feat: Use BigUint for universes

* chore(term): Rename NewType of Term::Var and Term::Type

* chore(proost): Refactor If-return-else

* chore(parser): Add derive_more

* chore(kernel): Add derive_more