chore: Vorlage an Projekt-Referenz und @ep/ui anbinden

- Plugin prodi über Marketplace ep-plugins einbinden; Hook schutz-main.sh entfernt
- @ep/ui als Paket aus Gitea-Registry (.npmrc, Dockerfile mit GITEA_NPM_TOKEN)
- Eigene Schriften, EpKopf/EpFuss und Styles durch @ep/ui ersetzt
- CLAUDE.md verschlankt, Steckbrief unter docs/, n8n-Ordner angelegt
- .gitattributes für LF-Zeilenenden

Co-Authored-By: Claude Opus 5.5 <[email protected]>

frontend-starter/package.json

@@ -3,16 +3,18 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "dev": "next dev -p 3000",
-    "build": "next build",
+    "assets": "mkdir -p public && cp node_modules/@ep/ui/assets/*.svg public/",
+    "dev": "npm run assets && next dev -p 3000",
+    "build": "npm run assets && next build",
     "start": "next start -p 3000"
   },
   "dependencies": {
     "@base-ui/react": "^1.9.0",
+    "@ep/ui": "^1.0.0",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "lucide-react": "^1.63.0",
-    "next": "^16.2.0",
+    "next": "^16.4.5",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "shadcn": "^4.23.0",