Datenbank bereinigt / Gitea-Integration gefixt

backend/package.json

@@ -20,7 +20,10 @@
     "cookie-parser": "^1.4.6",
     "express-rate-limiter": "^1.3.1",
     "sanitize-html": "^2.11.0",
-    "marked": "^11.1.0"
+    "marked": "^11.1.0",
+    "dompurify": "^3.0.6",
+    "jsdom": "^23.0.1",
+    "dotenv": "^16.3.1"
   },
   "engines": {
     "node": ">=18.0.0"