Feat: add hidden mode and new documentation

plugins/egui-baseview/src/renderer/opengl/renderer.rs

@@ -1,3 +1,5 @@
+//! Glow-based OpenGL renderer for egui inside a baseview window.
+
 use baseview::{PhySize, Window};
 use egui::FullOutput;
 use egui_glow::Painter;
@@ -5,6 +7,7 @@ use std::sync::Arc;
 
 use super::OpenGlError;
 
+/// OpenGL rendering options for the egui painter.
 #[derive(Debug, Clone)]
 pub struct GraphicsConfig {
     /// Controls whether to apply dithering to minimize banding artifacts.
@@ -32,12 +35,14 @@ impl Default for GraphicsConfig {
     }
 }
 
+/// Manages glow context and egui painter lifecycle.
 pub struct Renderer {
     glow_context: Arc<egui_glow::glow::Context>,
     painter: Painter,
 }
 
 impl Renderer {
+    /// Create a renderer from the baseview window's GL context.
     pub fn new(window: &Window, config: GraphicsConfig) -> Result<Self, OpenGlError> {
         let context = window.gl_context().ok_or(OpenGlError::NoContext)?;
         unsafe {
@@ -71,6 +76,7 @@ impl Renderer {
         self.painter.max_texture_side()
     }
 
+    /// Render a completed egui frame to the window.
     pub fn render(
         &mut self,
         window: &Window,