scripts to build gallery

[jeromeetienne]

Prompt

• take the image generated by ./scripts/run_all_examples.ts with matplotlib renderer
• take the github link of all the scripts which generated those images
  • https://github.com/vispy/GSP_API/blob/main/examples/pixels_example.py
  • ./examples/pixels_example.py
• create a mkdocs page which contains a gallery of those images, and for each image, add the link to the script that generated it