Explore plugin generation via CMake

[andrewreeman]

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Instead of requiring XCode on Mac and Visual Studio on Windows

https://forum.juce.com/t/clion-and-juce-in-2021/46998/12

JUCE CMake Repo Prototype https://github.com/eyalamirmusic/JUCECmakeRepoPrototype

[andrewreeman]

https://github.com/juce-framework/JUCE/blob/master/docs/CMake%20API.md details of JUICE's CMake api

[andrewreeman]

Some useful guides and blogs:

https://cmake.org/cmake/help/latest/guide/tutorial/Adding%20a%20Library.html

https://keasigmadelta.com/blog/cmake-vs-make-a-real-life-comparison-with-actual-code/

https://mirkokiefer.com/cmake-by-example-f95eb47d45b1

https://medium.com/practical-coding/migrating-to-cmake-in-c-and-getting-it-working-with-xcode-50b7bb80ae3d

https://melatonin.dev/blog/how-to-use-cmake-with-juce/