feat(specs): add settings spec

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Summary

• Add settings spec: getSettings and setSettings methods
• Add 403 error
• Move specs/common/responses/common.yml content to specs/common/parameters.yml (used on other clients)
• Move error files to common (used on other clients)
• Bumped generator version to 5.3.0 but that did not solve the disclaimer

Disclaimer

There are a lot of duplicate types now, this is because the generator does not create complex types (e.g. with union) when using allOf/oneOf but recreates a complete one instead.

I did multiple combination and was not able to have a cleaner output than this one, but I'll keep trying 🤔

Generating from bundled spec file would solve this since it avoid duplication, but somehow openapi-generator does not resolve paths of bundled specs

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Tried with the default template for the "duplicate" types, it's the same output so it's either a miss in my spec or a limitation of the generator

[damcou]

LGTM.
I just had a really hard time to figure out how the attributes are ordered in the indexSettings.yml and SearchParams.yml now as the order is completely different from the specs. But I understand the union issues though.
As explained, I think that the name of the object are not self-explanatory enough, that's why I think you should add some comments like:

"params that are only used for index settings"
"params that are only used for search"
"params that are common to index settings and search"

Besides that I think this is really good 🚀

[damcou]

🚀

[millotp]

All good for me, minor comments !

[millotp]

Good for me !