Add Mi Smart DC Standing Fan (dmaker.fan.p221) support

[dokschneider73]

I have purchased the dmaker. fan.p221 fan and would like to ask if support could be added, please?

It seems to be quite new an has two oscillation modes (horizontal and vertical)

https://a.aliexpress.com/_EI1rGVc

[syssi]

https://miot-spec.org/miot-spec-v2/instance?type=urn:miot-spec-v2:device:fan:0000A005:dmaker-p221:1