Added ZBM5 123-channel wall switch.

[liubotongs]

No description provided.

[Koenkk]

This is not used, please remove it.

[Koenkk]

Suggested change

	deviceEndpoints({endpoints: {first: 1, second: 2}}),
	deviceEndpoints({endpoints: {l1: 1, l2: 2}}),

[Koenkk]

Suggested change

	deviceEndpoints({endpoints: {first: 1, second: 2, third: 3}}),
	deviceEndpoints({endpoints: {l1: 1, l2: 2, l3: 3}}),

[Koenkk]

Could you also submit a picture for the docs? This can be done by:

1. Create a fork by clicking here
2. Go to the public/images/devices directory, Add file -> Upload files
3. Upload the files and press Commit changes
4. Press Contribute -> Open pull request -> update title/description -> Create pull request

Make sure that:

• The filename is ZBM5-1C-120.png
• The size is 512x512
• The background is transparent (use e.g. Adobe remove background)

[liubotongs]

Could you also submit a picture for the docs? This can be done by:

1. Create a fork by clicking [here](https://github.com/Koenkk/zigbee2mqtt.io/fork)

2. Go to the `public/images/devices` directory, _Add file_ -> _Upload files_

3. Upload the files and press _Commit changes_

4. Press _Contribute_ -> _Open pull request_ -> update title/description -> _Create pull request_

Make sure that:

* The filename is `ZBM5-1C-120.png`

* The size is 512x512

* The background is transparent (use e.g. [Adobe remove background](https://new.express.adobe.com/tools/remove-background))

Yes, it has been submitted before.

[Koenkk]

Thanks!