feat(web): PWA — manifest, icone, meta iOS

- src/app/manifest.ts (Next 14 file convention) → /manifest.webmanifest
- public/icons/icon.svg + icon-maskable.svg (vettoriali, palette editoriale)
- scripts/generate-icons.mjs (sharp): genera icon-192/512.png,
  apple-touch-icon-180.png, icon-maskable-512.png, badge-72.png
- layout.tsx: viewport con themeColor light/dark, manifest link,
  appleWebApp meta (capable + title), icons (svg + png + apple touch)
- .eslintrc: ignora scripts Node out-of-project; lint-staged: .mjs format-only

Display standalone, lang it, theme #221d18 (ink) / bg #f6f0df (carta).
Sblocca "Installa app" su Chrome/Edge/Android e "Aggiungi alla Home" su
iOS Safari — quest'ultimo è pre-requisito per ricevere le push su iOS.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/web/package.json

@@ -35,13 +35,14 @@
   "devDependencies": {
     "@ketopath/eslint-config": "workspace:*",
     "@ketopath/tsconfig": "workspace:*",
+    "@playwright/test": "^1.45.3",
     "@types/node": "^20.12.7",
     "@types/react": "^18.3.3",
     "@types/react-dom": "^18.3.0",
     "autoprefixer": "^10.4.19",
     "eslint-config-next": "^14.2.5",
     "postcss": "^8.4.39",
-    "tailwindcss": "^3.4.4",
-    "@playwright/test": "^1.45.3"
+    "sharp": "^0.34.5",
+    "tailwindcss": "^3.4.4"
   }
 }