Collected issues related to formatting of the Standard names table

[larsbarring]

This issue collects in one place several open issues related to technical and formatting improvements of the standard name table. The intention is to provide a single entry point that could be used in a hackathon session at the upcoming CF2023 workshop.

The relevant issues are

Issue	Brief description
cf-convention/cf-conventions#500	A Conventions string for the standard name table
cf-conventions/#267	Remove AMIP and Grib columns
#181 (closed), cf-conventions/#132)	One entry_id per alias in the xml table
cf-convention.github.io/#7	Discuss ways to capture changes over time in standard names

Edit 2023-09-26: Added link to cf-conventions/#132)

[github-actions]

Thank you for your proposal. These terms will be added to the cfeditor (http://cfeditor.ceda.ac.uk/proposals/1) shortly. Your proposal will then be reviewed and commented on by the community and Standard Names moderator.

[larsbarring]

ping @sadielbartholomew, @japamment, @ethanrd

[larsbarring]

Closing this issue because there is no more need to have the issues collected.