config: Added new year greeting

public/activeConfigs.json

 [
   "config/foobar.json",
   "config/karaoke-testbetrieb.json",
+  "config/neujahr.json",
   "config/default.json"
 ]

public/config/neujahr.json

+{
+  "id": "neujahr",
+  "schedule": {
+    "times": [
+      {
+        "from": "2024-01-01T22:00",
+        "to": "2023-01-10T18:00"
+      }
+    ]
+  },
+  "panels": [
+    {
+      "type": "fahrplan",
+      "position": {
+        "x": 0,
+        "y": 0,
+        "w": 9,
+        "h": 13
+      },
+      "config": {
+        "stops": [
+          "Dortmund Universität S",
+          "Dortmund Meitnerweg",
+          "Dortmund/Joseph Fraunhofer"
+        ],
+        "filter": {
+          "types": [
+            "H-Bahn"
+          ],
+          "destination": [
+            "Dortmund Otto-Hahn-Straße"
+          ]
+        }
+      }
+    },
+    {
+      "type": "bild",
+      "position": {
+        "x": 9,
+        "y": 0,
+        "w": 16,
+        "h": 5
+      },
+      "config": {
+        "url": "/content/neujahr.jpg",
+        "title": "Frohes Neues",
+        "description": "Willkommen zurück! Wir wünschen Dir einen guten Start in's neue Jahr."
+      }
+    },
+    {
+      "type": "callout",
+      "position": {
+        "x": 9,
+        "y": 5,
+        "w": 16,
+        "h": 2
+      },
+      "config": {
+        "type": "warning",
+        "title": "Achtung, Testbetrieb",
+        "description": "Der neue Infoscreen ist da! Bitte melde Fehler an die Admins unter root@oh14.de."
+      }
+    },
+    {
+      "type": "mensaplan",
+      "position": {
+        "x": 9,
+        "y": 7,
+        "w": 16,
+        "h": 6
+      },
+      "config": {
+        "canteenId": 341,
+        "closingTime": {
+          "hours": 14,
+          "minutes": 15
+        }
+      }
+    }
+  ]
+}