Treasure VCO themes

[chakravala]

In VCV Rack it's possible to right click Treasure VCO and select a different theme, can this theme feature be added to Cardinal?

[GBaige]

The feature itself could be added, but the themes themselves may or may not, depending on the artwork licensing (it may also be possible to allow for user-created themes to be applied).

There are a few other modules where you're supposed to be able to select custom themes via the context menu, but none of the options do anything, so I suppose those could be addressed as well.