Update cmake wheel build-system to display a warning

[jcfr]

Ideally, wheels should be available for all platforms providing pip.

To ensure developer report an issue if it is not the case, the build system should be updated to display a prominent warning kindly asking the user to report an issue so that we had support for the corresponding architecture.

References:

• Cmake error: ModuleNotFoundError: No module named 'skbuild' #103 (comment)