Feature request: add LV2 plugin support

[grammoboy2]

LV2 is an extensible open standard for audio plugins. LV2 has a simple core interface, which is accompanied by extensions that add more advanced functionality.

LV2 is a platform-agnostic Free Software specification with a liberal license.
https://lv2plug.in/

Example plugins:
https://x42-plugins.com/x42/
http://www.zamaudio.com/?p=976
https://lsp-plug.in/
https://zynaddsubfx.sourceforge.io/zyn-fusion.html / Zynaddsubfx

At the moment there are problems with LADSPA:

#210

[mossheim]

hi, this repo doesn't really get maintained, so any feature you'd like you will probably need to implement yourself, if it isn't already out there.