Tuya-Convert might not be possible for this device since the template was added (2019-12-08). All new Tuya devices have firmware preventing flash but it is still possible to Tuya-Convert old stock devices without connecting them to the Tuya app.
Tuya-Convert successful on 2020-12-13.
Found under different IDs: Hi-UKWFWS01 or Hi-UKWSG01 or MG-UKWSW
I based this loosely on the MakeGood template found here and made some changes. The only thing I did not manage to get working is the low blue LED light when the socket is switched off. LED for power on works fine.
Also be sure to run the commands:
SwitchMode1 5 and
Tuya-Convert successful on 2021-03-21.
Fully functional, including both LED states (blue & red).