docs(community): list spec-kit-linear in community extensions table

[ashbrener]

Summary

Lists spec-kit-linear (linear) in the community extensions table in docs/community/extensions.md. Companion to catalog entry PR #2749.

Row (category integration, matching the other external-tracker syncs — Jira, Azure DevOps, MAQA Linear; distinct from "MAQA Linear Integration"):

Extension	Purpose	Category	Effect	URL
spec-kit-linear	Mirror spec-kit feature directories into Linear (filesystem → Linear, reconcile-based, unidirectional).	integration	Read+Write	spec-kit-linear

Extension repo: https://github.com/ashbrener/spec-kit-linear

[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Adds a new community extension entry to the documentation catalog.

Changes:

• Add “Linear Bridge” extension row to the community extensions table.

Comments suppressed due to low confidence (1)

docs/community/extensions.md:1

• The description includes multiple sentences and specialized terms in a single table cell, which can make the table hard to scan and maintain (especially as more extensions are added). Consider shortening to a single-sentence summary (consistent with other rows) and moving the extra details (reconcile-based, unidirectional, lifecycle hooks) to a linked README or a footnote section below the table.

# Community Extensions

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