Here is all the code according to my YT Tutorials on each episode. However the content of these will only include the "Source" folder that is generated from JUCE itself. So in a sense these are more to look at for your own code if you got any problems following the tutorial.
YT Channel: https://www.youtube.com/channel/UCsBKKiPml8SBOSZPD2Jsc2g/videos?shelf_id=0&view=0&sort=dd