Added chef devices mounted onoff and dimmable load control

[suvendu63]

Description

Added chef devices for

• Mounted On/Off control
• Mounted Dimmable Load control

Testing

Conformance tests -

python src/python_testing/TC_DeviceConformance.py --qr-code MT:Y.K90AFN00KA0648G00 --dut-node-id 0x20 --commissioning-method on-network

python src/python_testing/TC_DeviceBasicComposition.py --qr-code MT:Y.K90AFN00KA0648G00 --dut-node-id 0x20 --commissioning-method on-network

[CLAassistant]

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1 out of 2 committers have signed the CLA.

✅ suvendu63
❌ Suvendu Das

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