Add App Service Community Standup blog skill

[Byron Tardif (btardif)]

Summary

• add a repository skill that generates an App Service Team Blog recap from one YouTube Community Standup URL
• define a recording-research workflow for metadata, captions or local transcription, evidence tracking, and first-party verification
• codify the recap article structure used in Add Managed Instance GA and Markdown for Agents standup recap #565, including the early watch section, current-date filename, presenter attribution, scope caveats, resource links, validation, staging, and cleanup

Review

Andrew Westgarth (@apwestgarth) and Jordan Selig (@seligj95), please review the presenter attribution, recording workflow, and recap structure.

[github-actions]

Preview link: https://antares-blog-staging-pr-566.azurewebsites.net

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[Jordan Selig (seligj95)]

LGTM

[Andrew Westgarth (apwestgarth)]

Approved!