In plugin view, display a list of all projects containing the plugin

[RustoMCSpit]

open-audio-stack/open-audio-stack-registry#23

Project - File which contains song data, in a format only for a specific DAW(s).

also this should be vice versa, if a project is being used all plugins in the registry should be listed whilst those that are not will just be their name and "not available".

moved here at dromer's request

[DropSnorz]

Thanks for your suggestion. Updated title to be more concise for triage.

[RustoMCSpit]

*and in project view, all plugins within the project

[DropSnorz]

*and in project view, all plugins within the project

It's already implemented for DAW projects supported by OwlPlug.