Add CI, tests, packaging and refactor helper_monkey/markowitzify for provider support and robustness#2

DemetersSon83 wants to merge 3 commits intomainDemetersSon83/Markowitzify:mainfrom

codex/test-and-update-markowitzify-library-zbswv2DemetersSon83/Markowitzify:codex/test-and-update-markowitzify-library-zbswv2Copy head branch name to clipboard