Expand the qml.from_qiskit docs

[lillian542]

document all the things

[github-actions[bot]]

Hello. You may have forgotten to update the changelog! Please edit doc/releases/changelog-dev.md with:

• A one-to-two sentence description of the change. You may include a small working example for new features.
• A link back to this PR.
• Your name (or GitHub username) in the contributors section.

[lillian542]

[sc-57149]

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

:exclamation: No coverage uploaded for pull request base (v0.35.0-rc0@c1f3997). Click here to learn what that means.

Additional details and impacted files

@@              Coverage Diff               @@
##             v0.35.0-rc0    #5259   +/-   ##
==============================================
  Coverage               ?   99.65%           
==============================================
  Files                  ?      399           
  Lines                  ?    36601           
  Branches               ?        0           
==============================================
  Hits                   ?    36473           
  Misses                 ?      128           
  Partials               ?        0           

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[Mandrenkov]

Thanks for the review, @trbromley! I've replied to your suggestions and made some additional changes.

[trbromley]

Any worries about 7d05c63f69eb8ab364a11b2bc49027d2cefc0c30? We could always create a new PR since the changes here are pretty localized, if we're worried about a polluted branch.

[Mandrenkov]

Thanks for taking another look, @trbromley!

Any worries about 7d05c63? We could always create a new PR since the changes here are pretty localized, if we're worried about a polluted branch.

Yeah, it may be cleaner to just make a new branch and apply the changes by hand. I'll open up a new PR and link it here.

[Mandrenkov]

Closed in favour of #5279.