Create Rich Diff Viewer for Jupyter Notebooks

We have implemented a better viewer for Jupyter Notebooks with #341825 (closed), but it can still be improved with a Rich Diff Viewer. Some minimum additions would be

  • Render embedded images
  • Render Math
  • Render whether a cell was added, changed, kept or removed
  • Code suggestions (Disabled in #345075 (closed))
Edited by Eduardo Bonet