Add example of a project with an external c library and python bindings#16

Erotemic wants to merge 3 commits intoscikit-build:mainscikit-build/scikit-build-sample-projects:mainfrom

Erotemic:dev/mwe_clib_wrapperErotemic/scikit-build-sample-projects:dev/mwe_clib_wrapperCopy head branch name to clipboard