Generate PPTX slides of time steps

Once a region has been selected, and the time step specified, it would be relatively easy to produce a whole presentation (from a template).

Here's a react library for doing that, including a preview:
https://github.com/wyozi/react-pptx

Demo of preview here: https://wyozi.github.io/react-pptx/

This is also a really powerful library for doing it: https://github.com/gitbrent/PptxGenJS