【TGo Handler】Add user CURD inline keyboard

[ZinkLu]

Provide admin_password as the feature's entrance

{
    "handlers": {
        "Tgo": {
            "api_addr": "127.0.0.1",
            "api_port": 1444,
            "admin_password": "xxx"
        }
    }
}

Once the admin_password is confirmed, 我的流量 should return a inline keyboard for user's modifications. The Inline Keyboard selections should contain:

• ListUser
  • [CHOOSE A USER GET DETAIL]
• AddUser
• ModfyUser
  • [CHOOSE A USER THEN]
    • ChangeUserPass
    • ChangeUserUplaodLimits
    • ChangeUserDownloadLimits
    • ChangeUserIpLimits
• DeleteUser
  • [CHOOSE A USER]