Describe exactly what you would like to see in an upcoming release

Sibling of cylc/cylc-flow#4035

Additional context

Pull requests welcome!

Perhaps stating the obvious, diagrams are much clearer & intuitive for explaining certain concepts than chunks of text, & they are also great for summarising content. #29 is a lovely example.

There are a lot of great schematics in the docs already, but the diagram to text ratio is still too low for my liking, & there are certain topics I read through & feel are crying out for a summarising, or

Following on from #21, there are some minor enhancements that can be made to the Cylc Users (.../users.html) page which details Cylc-using major sites, now with a world map of the sites as well as the original list.

Up for grabs if anyone fancies tackling any of these! Just assign yourself.

Sites (both listing & map of):

• Extend content-wise to include more known sites, as t

Similarly to how we package everything in conda, we should be able to package everything necessary with docker.

We may need a couple of images for cylc-flow, cylc-uiserver + jupyterhub + cylc-ui. Possibly just one container type for each (e.g. cylc-flow-alpine, cylc-alpine, etc, no need to build debian/ubuntu/etc).