Admin-Bereich, PWA-Manifest und Deploy-Setup

- Admin: Login, Dashboard, Protokoll, Stationen mit QR-Links
- PWA: vite-plugin-pwa mit Workbox Offline-Caching
- SvelteKit adapter-node + Dockerfile für DS-Deployment
- docker-compose.yml mit app + pocketbase Services
- Makefile: make deploy Befehl

app/package.json

@@ -13,12 +13,14 @@
 	},
 	"devDependencies": {
 		"@sveltejs/adapter-auto": "^7.0.1",
+		"@sveltejs/adapter-node": "^5.5.4",
 		"@sveltejs/kit": "^2.57.0",
 		"@sveltejs/vite-plugin-svelte": "^7.0.0",
 		"svelte": "^5.55.2",
 		"svelte-check": "^4.4.6",
 		"typescript": "^6.0.2",
-		"vite": "^8.0.7"
+		"vite": "^8.0.7",
+		"vite-plugin-pwa": "^1.3.0"
 	},
 	"dependencies": {
 		"pocketbase": "^0.26.9"