feat: enhance demo components with consistent styling and info boxes

- Add standardized header and info box components to all demo files
- Improve visual consistency with theme colors and spacing
- Add max-height and overflow-y for better content containment
- Update package.json build script with --force flag
- Add .gitignore entries for REFACTORING files
- Fix table formatting in audio-intro.md

package.json

@@ -5,7 +5,7 @@
   "type": "module",
   "scripts": {
     "dev": "vitepress dev docs",
-    "build": "vitepress build docs",
+    "build": "vitepress build docs --force",
     "preview": "vitepress preview docs",
     "format": "prettier --write .",
     "verify": "bash scripts/verify.sh"