Record PSKoans adoption, access, and PSGallery baseline

[HeyItsGilbert]

Goal

Complete Phase 0 of the revival playbook.

Acceptance criteria

• Repository access, main, and branch protection are verified.
• PSGallery ownership and a scoped PSGALLERY_API_KEY secret are established by an Org Admin.
• Last commit/release, issue/PR, star/fork, download, and CI baselines are recorded in this issue.

Baseline

On 2026-09-15: 39 open issues, 14 open pull requests, 1,878 stars, and 186 forks.

[HeyItsGilbert]

Baseline is already captured.