Feat: WIP terse code documentation

crates/ratatui/src/text_input.rs

@@ -1,3 +1,5 @@
+//! Single-line text input modal with optional hint.
+
 use crate::theme;
 use ratatui::layout::{Constraint, Layout, Rect};
 use ratatui::style::{Color, Style};
@@ -7,6 +9,7 @@ use ratatui::Frame;
 
 use super::ModalFrame;
 
+/// Modal dialog with a single-line text input.
 pub struct TextInputModal<'a> {
     title: &'a str,
     input: &'a str,