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Iridescent Acrylic Edge Emission by Paco Salas
https://www.blenderkit.com/asset-gallery-detail/e8ad3fa2-f2ad-404d-8122-d07c4fa3b8df/
Has just been added to "Blender Bazaar". Thank you for that and I'm delighted. 
This time my nebulae have become slightly better, but not as beautiful as @gleb
I could get a better result, but the render was only 128 samples. Maybe if I set it to 1024 it would look amazing. But then rendering each frame would take a very long time.
@christianp I assume you are looking at this #Blender documentation: https://docs.blender.org/api/current/
Is the "Quickstart" https://docs.blender.org/api/current/info_quickstart.html and "API Overview" https://docs.blender.org/api/current/info_overview.html short of expectations?
There's the videotutorial "An Introduction to Scripting" at #BlenderNation https://www.blendernation.com/2020/01/19/an-introduction-to-scripting/ and I'm sure the web has many more.
Historically, the API has changed wildly between major releases, so there isn't a vast accumulation of scripts out there to rely on. But Blender 3.+ has been out for quite a long time now. Unfortunately Blender 4 will change the scripting API again, AFAIK.