v36.0.0 - Major documentation improvements and new features

✨ NEW ✨

• The documentation generation has been overhauled, making it far more complete and thorough
• Documentation has been added for callback functions
• Documentation has been added for most midi.py constants
• Documentation is transpiled using transdoc to build links to documentation

✏️ CHANGED ✏️

• The documentation is now hosted by Image-Line, meaning it is close to being official!
• The entire project file hierarchy has been improved significantly, to make everything far more organised
• The build system for the library and documentation have much better documentation