Sample sync gw config with walrus bucket

config.json

{
  "log": ["CRUD", "REST+", "Access"],
  "facebook": { "register": true },
  "databases": {
    "db": {
      "server":"walrus:data",
      "users": {
        "GUEST": {"disabled": false, "admin_channels": ["*"]}
      }
    }
  }
}