Add luceco castra floodlight

[simonmunton]

Context

Add the Luceco Castra Smart security light

Proposed change

Build on the lb1 class to add features specific to the new device.
Extend the cli tool to enable testing the new device

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New device
• New product id (the device is already supported with a different id)
• New feature (which adds functionality to an existing device)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests
• Documentation

Additional information

• This PR fixes issue: fixes New device type - 647a - is it possible to add support? #725
• This PR is related to: Luceco Castra (Hangzhou Broadlink) discoverable, but gives Authentication Error #719 New BroadLink device -  #730
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
• The code has been formatted using Black.
• The code follows the Zen of Python.
• I am creating the Pull Request against the correct branch.
• Documentation added/updated.