Feat: WIP terse code documentation

crates/ratatui/src/list_select.rs

@@ -1,3 +1,5 @@
+//! Scrollable single-select list widget with cursor highlight.
+
 use crate::theme;
 use ratatui::layout::Rect;
 use ratatui::style::{Modifier, Style};
@@ -5,6 +7,7 @@ use ratatui::text::{Line, Span};
 use ratatui::widgets::Paragraph;
 use ratatui::Frame;
 
+/// Scrollable list with a highlighted cursor and selected-item marker.
 pub struct ListSelect<'a> {
     items: &'a [String],
     selected: usize,