v1.0.0

First release, by Louis Wright.

• 22 WCAG 2.2 checks for static HTML: text alternatives, names and labels, inline colour contrast, structure, ARIA references and roles, focus, zoom and autoplay.
• Baseline file (--update-baseline, --baseline) to fail only on new issues.
• Text/JSON/SARIF/Markdown output, --fail-on, exit codes 0/1/2, allowlist with expiry, severity overrides.
• Composite GitHub Action with job summary.