white whale - VCVRack plugin branch

Building:

1. Clone VCVRack and follow its build instructions.
2. Clone this repo into the plugins folder under VCVRack.
3. Switch to the vcvrack branch with git checkout vcvrack
4. Clone submodules with git submodule update --init --recursive
5. Build with make -f Makefile-Rack or open in Visual Studio Code and select Tasks > Run Build Task