[Brainstorming] Build process, repository structure, and others

TODO

• Enable cross compilation on macOS and maybe Windows
• Move away the cross compilation functionality from the bdist_wheel process, to a standalone script, so we can drop completely the bdist_wheel override from the process.
• Move qtqa Python tests to a qt-rta and enable release testing for all the platforms
• Automate a matrix test for snapshots or releases are installed and tested in different combinations of OS and Python versions. One could look into https://github.com/pypa/cibuildwheel for inspiration
• Move shiboken generator and module to a separate repository
• Move the ad-hoc tools to a different repo
• Re-evaluate the value of the commercial Shiboken Wizard and consider open sourcing it.
• Explore the limitations of shiboken and other binding generators in order to add more functionality to shiboken.
• Study the AI-aspects that can benefit the project.

DONE

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WONT DO

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