Improve stratosphere documentation

[alistairsellar]

Description

This PR adds the required section "Available recipes and diagnostics" to the Autoassess stratosphere recipe.

• Closes part of Autoassess recipes documentation #1775
• Link to documentation: https://esmvaltool--3114.org.readthedocs.build/en/3114/recipes/recipe_autoassess_stratosphere.html

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[alistairsellar]

@valeriupredoi or @remi-kazeroni this is part 1 of fixes to close #1775. Would one of you be able to review please?

[remi-kazeroni]

Thanks for tackling that @alistairsellar! I see that this documentation page somehow follows a different template with different titles for sections. For example model-data instead of variables (but that table looks nicer than the usual list of variables in other pages!) or input and usage instead of user settings in recipe (also nicer in this page, I think). Question: is it planned or possible to rename these sections following what is done for other recipes? But not necessarily reformat the entire sections which look nice here as they are. I leave the rest of the review to @valeriupredoi, don't really have more comments myself.

[alistairsellar]

Thanks @remi-kazeroni! Good spot!. I've renamed the section titles, and also re-organise sections to follow what seems to be a more standard order.

Also added ta and ua to the list of ERA-Interim vars.

@valeriupredoi, Remi is leaving the final review to you...

[valeriupredoi]

many thanks @alistairsellar - couple wiggles in the docs build:

/home/docs/checkouts/readthedocs.org/user_builds/esmvaltool/checkouts/3114/doc/sphinx/source/recipes/recipe_autoassess_stratosphere.rst:144: WARNING: Title underline too short.

Observations and reformat scripts
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/home/docs/checkouts/readthedocs.org/user_builds/esmvaltool/checkouts/3114/doc/sphinx/source/recipes/recipe_autoassess_stratosphere.rst:144: WARNING: Title underline too short.

Observations and reformat scripts
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Also - we may have to pin sphinx to latest as I have just done in Core - let's see if the tests pass with those two wiggles fixed first 🍺

[remi-kazeroni]

Thanks a lot @alistairsellar! Looks fine to me like this. The documentation page follows the same order as in other pages. All nice and clean 👍 @valeriupredoi you can take a final look and merge whenever you get time for this 🍺

[valeriupredoi]

on it now, gents..

[valeriupredoi]

spick and span, cheers @alistairsellar and Remi for reviewing 🍺

[alistairsellar]

Brilliant - thanks guys!