Various manpage fixes and additions

[davemeech]

Checklist

Ensure you have completed the following checklist for your pull request to be reviewed:

• I have read and understood our contributing guidelines and will not have more than two open PRs as a new contributor.
• PR description, commit message, and GitHub comments are human-written, per LLM Policy
• Certify you wrote the patch or otherwise have the right to pass it on as an open-source patch by signing all
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  the sign-off email address. See CONTRIBUTING.md
  for more information.
• Referenced issues using Fixes: #00000 in commit message (if applicable)
• Tests have been added/updated (or no tests are needed)
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• Release note entered in the section below (or None if no user-facing changes)

Does this PR introduce a user-facing change?

NONE

[davemeech]

Please note, I'm waiting to see what CI feedback I get here. While running make man-page-checker alone resulted in 0 errors, man-page-checker would fail as a part of make validatepr. I'm seeing the CI execution gives any insight as to whether or not it's an environment issue on my end.

[Honny1]

Changes look good. Approving CI.

[Honny1]

LGTM! Thanks!

PTAL @podman-container-tools/podman-maintainers @podman-container-tools/podman-reviewers

[mheon]

Sure, LGTM