[docs] docs: unbloat about page

[github-actions]

Summary

Tightens the about page in the documentation site. Prose is made more concise with no content removed.

Changes

docs/src/content/docs/about.md

• What is GitHub Agentic Workflows? — Rephrased intro sentence for brevity; simplified the follow-up sentence describing gh aw compile.
• Project list — Reordered items: Install now appears before License.
• Community section — Collapsed three separate bullet-list items into a single prose sentence linking all three community channels (GitHub Discussions, Community Feedback, GitHub Next Discord).
• Contributing section — Shortened "development setup and guidelines" to "setup and guidelines".
• Security section — Shortened "security vulnerability reports" to "vulnerability reports".

Impact

• Documentation only; no code, workflow, or configuration changes.
• Net reduction: 4 lines removed, 4 lines modified. All links and information preserved.
• No behaviour change.

Generated by PR Description Updater for #44992 · 26 AIC · ⌖ 6.79 AIC · ⊞ 4.7K · ◷

[github-actions]

✅ Design Decision Gate 🏗️ completed the design decision gate check.

No ADR enforcement needed: PR #44992 does not have the 'implementation' label and has 0 new lines of code in business logic directories (threshold: 100).

[github-actions]

🧠 Matt Pocock Skills Reviewer has completed the skills-based review. ✅

[github-actions]

✅ Test Quality Sentinel completed test quality analysis.

No test files were added or modified in this PR. Test Quality Sentinel skipped.

[github-actions]

✅ PR Code Quality Reviewer completed the code quality review.

[Copilot]

Pull request overview

Condenses the About page while preserving its meaning and links.

Changes:

• Tightens introductory, contributing, and security wording.
• Consolidates community resources into one sentence.
• Reorders project metadata for readability.

Show a summary per file

File	Description
docs/src/content/docs/about.md	Makes the About page more concise.

Review details

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• Files reviewed: 1/1 changed files
• Comments generated: 0
• Review effort level: Medium

[github-actions]

Documentation-only change. Wording is tighter and all links/information are preserved. No issues.

🔎 Code quality review by PR Code Quality Reviewer · 9.51 AIC · ⌖ 4.26 AIC · ⊞ 5.4K
_{Comment /review to run again}

[github-actions]

Documentation cleanup looks good — all links preserved, wording is cleaner and more concise.

🧵 Reviewed using Impeccable skills by Impeccable Skills Reviewer · 8.08 AIC · ⌖ 4.25 AIC · ⊞ 4.8K

[github-actions]

Skills-Based Review 🧠

Applied /grill-with-docs — changes look good.

The condensed wording is clear and all links are preserved. The bullet-to-sentence conversion in the Community section reads naturally. No issues found.

🧠 Reviewed using Matt Pocock's skills by Matt Pocock Skills Reviewer · 12.6 AIC · ⌖ 4.28 AIC · ⊞ 6.6K
_{Comment /matt to run again}