Support for SLZB-MR4U

[TUTU-GAL-12]

Integration name

SMLIGHT SLZB-MR4U

Link to integration documentation on our website

https://www.home-assistant.io/integrations/smlight/

Describe the enhancement

Add in support for SLZB-MR4U

Use cases

Currently SLZB-MR2U is not accepted in the onboarding process of the integration. Process of adding device ends with error message "This device is not yet supported by the SMLIGHT integration"

Anything else?

No response

[github-actions[bot]]

🏷️ I've automatically added the integration: smlight label to help categorize this feature request.