PESYJE V13.3 — PWA ADMIN PREMIUM UI

This version keeps all V13.2 PWA logic and upgrades ONLY the Admin UX/UI.

Included:
- Premium PWA status banner
- Section navigation tabs
- App information card
- Appearance & behavior card
- Premium install experience card
- Redesigned App Shortcuts cards
- Premium icon manager
- Premium screenshot manager
- Sticky Preview & Status panel
- Live name/short-name preview
- Description character counter
- Quick tips and PWA explanation panel
- Responsive admin layout
- Existing PWA save/update/upload/delete behavior preserved
- Screenshot delete forms moved outside the main settings form (valid HTML)

No database migration.

Install:
cd /home/n377435/pesyje
php artisan optimize:clear

Then open:
Admin → PWA / Aplikacioni
