bunti/src/main/webapp/resources/json/rooms.json

{
    "rooms" : [
        {"roomId": 0, "roomName": "Global"},
        {"roomId": 1, "roomName": "Raum 1"},
        {"roomId": 2, "roomName": "Raum 2"},
        {"roomId": 3, "roomName": "Raum 3"},
        {"roomId": 4, "roomName": "Raum 4"},
    ]
}