Add Xiaomi Miot to custom components

[al-one]

Describe the proposed change

Automatic integrate Xiaomi devices to via miot-spec, support Wi-Fi, BLE, ZigBee devices.

The link

Xiaomi Miot

The annoying "I agree" thing

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[JerryXZ]

Can this plugin control HA devices?

[al-one]

It can only control Xiaomi / MiHome devices in HA.