Add LibreNMS Integration

[bile0026]

Closes: # N/A

What's Changed

New SSoT Integration to sync the following information from LibreNMS:

• Location
• Device
• Interface (future)
• IPAddress (future)

Plan to add interface and IPAddress in another PR at a later date.

To Do

• Explanation of Change(s)
• Added change log fragment(s) (for more information see the documentation)
• Attached Screenshots, Payload Example
• Unit, Integration Tests
• Documentation Updates (when adding/changing features)
• Outline Remaining Work, Constraints from Design