Request to add Listenarr Support

Is there an existing issue for this?

• I have searched the existing open and closed issues

Is your feature request related to a problem? Please describe

Would like to request support for the Listenarr app (https://github.com/therobbiedavis/Listenarr). It's in canary but its been stable for me so far.

Describe the solution you'd like

Add listenarr support in the same way that the other arrs are supported.

Describe alternatives you've considered

Manually adding indexers, downloaders, etc

Anything else?

N/A