Add a OMERO.table visualisation example

[fmeyenhofer]

• New section with the mechanisms and screenshot
• Link to the python examples.

As discussed with @will-moore in https://forum.image.sc/t/omero-tables-display-on-images-link-questions/87870

The updated code examples in #2355 are part of this same issue.

This is the second, revised pull-request replacing #2354.