Fix spelling errors in TUI project details

Corrected spelling errors in the TUI project description.

Author: Siedlerchr

_posts/2026-02-23-tui.md

@@ -18,7 +18,7 @@ However, they are not as feature-rich as JabRef.
 The task is now to add a terminal UI based on [TamboUI](https://tamboui.dev/) build on top of JabRef.
 
 This project requires **strong UX and Software Engineering skills**, because the TUI should not be just a copy of the current JabRef interface.
-It should be untuivitevly and pleasent to use.
+It should be intuitively and pleasent to use.
 
 **Possible Mentors:**