feat(backend): QR-Code-System (Modul 22)

QrModule mit GET /qr/:entityType/:id.svg fuer colonies (Deep-Link
direkt zu /inspections/new), apiaries, queens, honey-batches und
storage-containers. Nutzt pdfkit-Nachbar qrcode zur SVG-Erzeugung.

ApiCore-Backend/package.json

@@ -38,6 +38,7 @@
     "passport": "^0.7.0",
     "passport-jwt": "^4.0.1",
     "pdfkit": "^0.19.1",
+    "qrcode": "^1.5.4",
     "reflect-metadata": "^0.2.2",
     "rxjs": "^7.8.1"
   },
@@ -54,6 +55,7 @@
     "@types/node": "^24.0.0",
     "@types/passport-jwt": "^4.0.1",
     "@types/pdfkit": "^0.17.6",
+    "@types/qrcode": "^1.5.6",
     "@types/supertest": "^7.0.0",
     "eslint": "^9.18.0",
     "eslint-config-prettier": "^10.0.1",