Resolve "improve README" ✨️

Closes #37 🐔️👍️
Approved-by: aalbert <augustin.albert@bleu-azure.fr>
Approved-by: belazy <aarthuur01@gmail.com>
Approved-by: v-lafeychine <vincent.lafeychine@proton.me>

🦀️🍰🦀️🍰🦀️🍰

* add ?main

* nix run

* add backticks

* Apply 1 suggestion(s) to 1 file(s)

* fix links

* add blabla

* mermaid test

* mermaid test

* mermaid test