Phase 5 Gate: published to Docker Hub

[HerbHall]

Phase 5 Acceptance Criteria

All boxes must be checked to consider v0.1.0 shipped.

• Extension icon designed (green/earthy theme)
• All Dockerfile labels complete for marketplace
• docker extension validate passes
• Screenshots captured (light and dark mode)
• README has installation instructions
• Extension pushed to Docker Hub (herbhall/runnotes)
• Submission PR opened at docker/extensions-submissions
• CHANGELOG.md updated for v0.1.0 release

Dependencies

• Research: research: Docker Hub marketplace requirements and submission process #24 (marketplace requirements)
• Implementation: chore: Docker Hub publishing and marketplace submission #9 (Docker Hub publishing), docs: extension icon and branding #10 (icon/branding)
• Prerequisite: Phase 4 Gate Phase 4 Gate: enhancements complete #23 closed