Add media_player to xiaomi_miio for Xiaomi Gateway (and talk from HA app via Xiaomi Gateway)

Tags: #<Tag:0x00007f73ae096248> #<Tag:0x00007f73ae095af0>

It is possible to play any audio source on Xiaomi Gateway

I have already submitted the following

Please add media_player to xiaomi_miio integration to play any audio source similar to

It would be very useful to add the ability to the Home Assistant app to say something via Xiaomi Gateway!