Resolve "Bug(Parser): spaces are not allowed when declaring universe variables" ✨️

Closes #84 🐔️👍️
Approved-by: aalbert <augustin.albert@bleu-azure.fr>
Approved-by: belazy <aarthuur01@gmail.com>

🦀️🍰🦀️🍰🦀️🍰

* fix(parser): spaces are not allowed when declaring universe variables