[Rules] Update Origin Rules

[pedrosousa]

Summary

Addresses PCX-17296.

[hyperlint-ai]

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PR Change Summary

Updated origin rules documentation to include changes related to the HTTP Host header and DNS record overrides.

• Enhanced examples to reflect the addition of DNS record overrides alongside HTTP Host header changes.
• Updated titles and descriptions to clarify the relationship between Host header and DNS record overrides.
• Added notes emphasizing the importance of configuring both Host header and DNS record overrides together.

Modified Files

• src/content/docs/rules/origin-rules/create-api.mdx
• src/content/docs/rules/origin-rules/examples/change-http-host-header.mdx
• src/content/docs/rules/origin-rules/features.mdx
• src/content/docs/rules/origin-rules/parameters.mdx

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[github-actions]

This pull request requires reviews from CODEOWNERS as it changes files that match the following patterns:

Pattern	Owners
/src/content/docs/rules/	@pedrosousa, @cloudflare/pcx-technical-writing
*	@cloudflare/pcx-technical-writing

[github-actions]

Preview URL: https://b213a6f6.preview.developers.cloudflare.com
Preview Branch URL: https://pedro-pcx-17296-rules-update-origin-rules.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/rules/origin-rules/create-api/	https://pedro-pcx-17296-rules-update-origin-rules.preview.developers.cloudflare.com/rules/origin-rules/create-api/
https://developers.cloudflare.com/rules/origin-rules/examples/change-http-host-header/	https://pedro-pcx-17296-rules-update-origin-rules.preview.developers.cloudflare.com/rules/origin-rules/examples/change-http-host-header/
https://developers.cloudflare.com/rules/origin-rules/features/	https://pedro-pcx-17296-rules-update-origin-rules.preview.developers.cloudflare.com/rules/origin-rules/features/
https://developers.cloudflare.com/rules/origin-rules/parameters/	https://pedro-pcx-17296-rules-update-origin-rules.preview.developers.cloudflare.com/rules/origin-rules/parameters/