Feat: WIP terse code documentation

crates/ratatui/src/sample_browser.rs

@@ -1,3 +1,5 @@
+//! Tree-view sample browser with search filtering.
+
 use crate::theme;
 use ratatui::layout::{Constraint, Layout, Rect};
 use ratatui::style::{Modifier, Style};
@@ -5,6 +7,7 @@ use ratatui::text::{Line, Span};
 use ratatui::widgets::{Block, Borders, Paragraph};
 use ratatui::Frame;
 
+/// Node type in the sample tree.
 #[derive(Clone, Copy)]
 pub enum TreeLineKind {
     Root { expanded: bool },
@@ -12,6 +15,7 @@ pub enum TreeLineKind {
     File,
 }
 
+/// A single row in the sample browser tree.
 #[derive(Clone)]
 pub struct TreeLine {
     pub depth: u8,
@@ -21,6 +25,7 @@ pub struct TreeLine {
     pub index: usize,
 }
 
+/// Tree-view browser for navigating sample folders.
 pub struct SampleBrowser<'a> {
     entries: &'a [TreeLine],
     cursor: usize,