First of all, wifi devices are not auto-discovered by Hubitat. Only apps have been built that will auto-discover wifi devices. So, you would have to add an app that supports auto-discovery of Tasmota devices. Also, with the firmware this device came with, you will not be able to control it from Hubitat. You would have to flash the Tasmota firmware to the device, specifically this version:
That thread will have all the info you need to get the device working.
