canva-public/flourishcharts ? reverse-engineered prompt

Build me a simple R and Python package that lets me create interactive Flourish charts from my data.

I want to be able to install it in either language, set my Flourish API key, and then make things like racing bar charts, line charts, scatterplots, and sankey style visuals without having to deal with the Flourish site directly every time. The main goal is to make it easy for data scientists to turn a dataframe into a polished interactive chart that follows Flourish style storytelling.

Please make the setup and usage feel straightforward, with a clean README, clear install instructions for both R and Python, and examples I can run right away. If you need anything from the current Flourish docs or API behavior, look up the latest details online.