Show a CSS-only spinner while JS bundles load, improving perceived
performance on slow connections. Add noscript message for users with
JavaScript disabled.
- Generate 192x192, 512x512, 180x180, 32x32, and 16x16 icons from logo
- Add manifest.json for PWA install support (standalone display)
- Add apple-touch-icon for iOS home screen
- Use sized favicons instead of full 1024x1024 logo.png
- Use logo.png as favicon (replaces emoji SVG)
- Show logo in header next to title
- Show larger logo on login screen
- Add OG image meta tag
- Add centered logo in README
- Closes feedback item #8
- Change lang='fr' to lang='en' (open-source project default)
- Change title from 'Marlbot Chat' to 'PinchChat'
- Change favicon emoji from 🤖 to 🦞 (project mascot)
- Add meta description, theme-color, and Open Graph tags
