docs/integrations Ibis

[zilto]

Added documentation for Hamilton + Ibis.

Changes

• added Ibis integration pages + updated the associated index

How I tested this

• successfully built docs locally

Notes

• This will be followed up by a blog post
• Another PR is handling the examples/ibis changes

Checklist

• PR has an informative and human-readable title (this will be pulled into the release notes)
• Changes are limited to a single goal (no scope creep)
• Code passed the pre-commit check & code is left cleaner/nicer than when first encountered.
• Any change in functionality is tested
• New functions are documented (with a description, list of inputs, and expected output)
• Placeholder code is flagged / future TODOs are captured in comments
• Project documentation has been updated if adding/changing functionality.

[skrawcz]

looking good -- added wording tweaks.

[skrawcz]

nice squash commit and we're good to go!