Add H1s to Ahrefs-flagged docs pages

[danstotts-ops]

Summary

• Adds explicit page-level H1s to the seven docs pages currently flagged in Ahrefs for missing H1 tags.
• Uses descriptive headings for generic overview pages, for example Runpod CLI and Serverless workers.

Validation

• node scripts/validate-tooltips.js
• git diff --check

Ahrefs context

Issue: missing H1 tags from project 3648513, issue c64d9d0b-d0f4-11e7-8ed1-001e67ed4656.

[mintlify]

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Project	Status	Preview	Updated (UTC)
runpod-docs	🟢 Ready	View Preview	Jul 2, 2026, 11:09 PM

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[danstotts-ops]

Context for review: Ahrefs flagged these seven docs URLs for missing H1 tags. This PR only adds explicit page-level H1s, with descriptive headings where the existing title was generic. Local and GitHub tooltip validation passed.

[danstotts-ops]

Review routing update: the older README reviewer no longer has write access, so I requested review from @lavanya-gunreddi based on recent docs PR ownership and write access. This is still only the seven Ahrefs H1 inserts.

[lavanya-gunreddi]

Hi Dan, I don't understand these changes. Did you go through the changes in the preview links. The headings are appearing twice.

[lavanya-gunreddi]

[lavanya-gunreddi]

Let us review it together next week.

[danstotts-ops]

Lavanya is right: this PR creates duplicate visible headings in the Mintlify preview. I rechecked the seven Ahrefs-flagged docs URLs live, and each now renders exactly one Mintlify-generated H1, so this PR is no longer needed. Closing to avoid introducing duplicate headings.