SCI scenarios first attempt

[mzecc]

Description

Draft PR to give an idea of the work done for the SCI integration.

All scenarios currently report only at the global level. For now, I'm mocking the regional part by creating a regional sector that is a copy of the global one.

Another option would be to skip the preprocessing step and prepare the input data directly in the required format.

What do you think?

Checklist

Please confirm that this pull request has done the following:

• Tests added
• Documentation added (where applicable)
• Changelog item added to changelog/

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.72%. Comparing base (217be88) to head (8544055).

Additional details and impacted files

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  Lines        1335     1335           
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[znicholls]

Good first attempt. Let's see what comes out of this meeting later, then we can figure out how to pull this into gcages. I really want to avoid too much noise/action in gcages now if we can, because it's not clear to me what the benefit of that noise would be (in other words, why merge this, when we haven't even agreed what we're actually trying to do).

[znicholls]

I appreciate the work, but please let's get rid of this. Everything should just go in the existing CMIP7 ScenarioMIP notebook. Most of the stuff here is just hacks to make the SCI data fit, and I really want to avoid them ending up in gcages (maybe we keep some helpers, but even then I'd hesitate). We can point to climate-processor instead once that's public.

[mzecc]

Ok thank you very much for the feedback Zeb! Closing this now

[znicholls]

Let's pull this out and just replace the ScenarioMIP infilling db (this file is the same data plus extraso there's no need to have both)

[znicholls]

Let's strip this down to a couple of key examples rather than committing a 90MB excel file