Get the game server list API

Description of Requirement:

The SmileOne platform needs to display a list of game servers on the product page, and merchants need to provide an API to choose server. * Optional according to the product.

Return example：

// success
{
    "status":200,
    "serverList":[
         {"serverName":"Server 1","serverId":"1000001"},
         {"serverName":"Server 2","serverId":"1000002"},
         {"serverName":"Server 3","serverId":"1000003"},
         {"serverName":"Server 4","serverId":"1000004"}
    ],
    "error": "",
}
// error
{
    "status": 201, // See Appendix 1 for error code
    "serverList": "",
    "error": "cause of error"
}