Resolve "Unhandled LSP requests declared as capabilities in tilleul" ✨️

Closes #110 🐔️👍️
Approved-by: loutr <l.ta-ma@proton.me>
Approved-by: v-lafeychine <vincent.lafeychine@proton.me>

🦀️🍰🦀️🍰🦀️🍰

* fix(tilleul): change tilleul initialization to indicate that no capability is currentlly handled