Update readme

src/lib.rs

@@ -1,5 +1,11 @@
 //! # A versatile widget list for Ratatui
 //!
+//!<div align="center">
+//!     
+//! [![Continuous Integration](https://github.com/preiter93/tui-widget-list/actions/workflows/ci.yml/badge.svg)](https://github.com/preiter93/tui-widget-list/actions/workflows/ci.yml)
+//!
+//! </div>
+//!
 //! This crate provides a stateful widget [`List`] implementation for `Ratatui`, enabling listing
 //! widgets that implement the [`ListableWidget`] trait. The associated [`ListState`], offers functionalities
 //! such as navigating to the next and previous items.

src/traits.rs

@@ -9,7 +9,9 @@ pub trait ListableWidget: Widget {
     /// Callback invoked when rendering the widget.
     ///
     /// This method is called during rendering to allow the widget to mutate itself based
-    /// on additional render info. It should return the main axis size of the widget.
+    /// on additional render info.
+    ///
+    /// Return the main axis size of the widget.
     fn on_render(&mut self, render_info: &RenderInfo) -> u16;
 }