[Style guide] Added property

[kodster28]

Hidden prop for style guide

[hyperlint-ai]

PR Change Summary

Added a new property to the style guide documentation to enhance SEO management.

• Introduced a noindex property to control search engine indexing for specific pages.
• Updated documentation to reflect the new property and its usage.

Modified Files

• src/content/docs/style-guide/frontmatter/custom-properties.mdx

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[github-actions]

Preview URL: https://5ba8d521.preview.developers.cloudflare.com
Preview Branch URL: https://style-guide-frontmatter.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/style-guide/frontmatter/custom-properties/	https://style-guide-frontmatter.preview.developers.cloudflare.com/style-guide/frontmatter/custom-properties/