Add live demo links to READMEs, enable theme switching in Gallery app, and update deployment workflow for web support.

README.md

@@ -4,8 +4,18 @@ This is a starter monorepo for **Material 3 Expressive (M3E)** Flutter packages.
 
 - `packages/m3e_design` – design language core (tokens, ThemeExtension, motion)
 - `packages/m3e_collection` – re-exports all component packages
-- `packages/icon_button_m3e` – example component (uses `m3e_design`)
+- `packages/icon_button_m3e` – example component
 - `packages/split_button_m3e` – example split button component
+- `packages/app_bar_m3e`
+- `packages/button_group_m3e`
+- `packages/button_m3e`
+- `packages/fab_m3e`
+- `packages/loading_indicator_m3e`
+- `packages/navigation_rail_m3e`
+- `packages/navigation_bar_m3e`
+- `packages/progress_indicator_m3e`
+- `packages/slider_m3e`
+- `packages/toolbar_m3e`
 - `apps/gallery` – showcase app that consumes `m3e_collection`
 
 ## Quick start
@@ -22,3 +32,21 @@ flutter run
 ## Structure
 
 See `melos.yaml`, `analysis_options.yaml`, and the package-level READMEs.
+
+
+---
+
+## Live demo (Gallery)
+
+A web demo of the M3E components is published via GitHub Pages using the provided workflow in `.github/workflows/deploy-gallery-pages.yml`.
+
+Open: https://emilymoonstone.github.io/material_3_expressive/
+
+To run locally:
+
+```sh
+cd apps/gallery
+flutter run -d chrome
+```
+
+_Last updated: 2025-10-23_