Crate-docs-theme

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- Adjust OpenGraph settings: Logo image, description length, "first image" use.
Thanks, proddata and msbt.

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- Improve primary navigation on the database driver section once more

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- Fix CSS: Remove font size of blockquote override. Thanks, msbt.
- Improve version chooser: Remove ambiguous link to root document.
Thanks, hlcianfagna.
- Bring back lost navigation items to database drivers. Thanks,
proddata.

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- Fix minor regression on admonitions
- Fix page tools positioning

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- Fix margin on page tools element
- Modernize and fix JS and CSS includes
- Fix pagetools dropdown: Group elements to define mutual toggle-opening.
Thanks, kojinkai and msbt.
- Improve version chooser to use the same page when switching versions.
Thanks, hlcianfagna.
- Fix text alignment with sphinx-togglebutton. Thanks, msbt.

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- Edit primary navigation in left sidebar

- "CrateDB Cloud" documentation has been bundled into a single repository, now
located at ``/docs/cloud``
- Add link to "Community" and "Integration tutorials"
- Rename ``Install CrateDB`` to ``Install``, and ``Reference`` to ``CrateDB Reference``
- Improve appearance of bottom section

- Consolidated Cloud Docs: Adjust intersphinx root references

- Those project references have been dissolved:
``cloud-reference``, ``cloud-tutorials``, and ``cloud-howtos``
- The new canonical intersphinx project reference is just ``cloud``

- UI: Increase z-index of feedback chooser content
- Update jquery to 3.7.0
- Update jinja2 to <3.2