[WAF] Block response based on accept header

[pedrosousa]

Summary

Addresses PCX-5269.

Documentation checklist

• The documentation style guide has been adhered to.

[cloudflare-workers-and-pages]

Deploying cloudflare-docs with    Cloudflare Pages

Latest commit:	ccdec02
Status:	✅  Deploy successful!
Preview URL:	https://0d91387b.cloudflare-docs-7ou.pages.dev
Branch Preview URL:	https://pedro-pcx-5269-waf-custom-bl.cloudflare-docs-7ou.pages.dev

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Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/support/more-dashboard-apps/cloudflare-custom-pages/configuring-custom-pages-error-and-challenge/	https://pedro-pcx-5269-waf-custom-bl.cloudflare-docs-7ou.pages.dev/support/more-dashboard-apps/cloudflare-custom-pages/configuring-custom-pages-error-and-challenge/
https://developers.cloudflare.com/support/troubleshooting/http-status-codes/4xx-client-error/	https://pedro-pcx-5269-waf-custom-bl.cloudflare-docs-7ou.pages.dev/support/troubleshooting/http-status-codes/4xx-client-error/
https://developers.cloudflare.com/waf/reference/response-for-blocked-requests/	https://pedro-pcx-5269-waf-custom-bl.cloudflare-docs-7ou.pages.dev/waf/reference/response-for-blocked-requests/
https://developers.cloudflare.com/waf/rate-limiting-rules/create-api/	https://pedro-pcx-5269-waf-custom-bl.cloudflare-docs-7ou.pages.dev/waf/rate-limiting-rules/create-api/
https://developers.cloudflare.com/waf/custom-rules/create-api/	https://pedro-pcx-5269-waf-custom-bl.cloudflare-docs-7ou.pages.dev/waf/custom-rules/create-api/
https://developers.cloudflare.com/waf/custom-rules/custom-rulesets/create-dashboard/	https://pedro-pcx-5269-waf-custom-bl.cloudflare-docs-7ou.pages.dev/waf/custom-rules/custom-rulesets/create-dashboard/
https://developers.cloudflare.com/waf/rate-limiting-rules/create-account-dashboard/	https://pedro-pcx-5269-waf-custom-bl.cloudflare-docs-7ou.pages.dev/waf/rate-limiting-rules/create-account-dashboard/
https://developers.cloudflare.com/waf/custom-rules/create-dashboard/	https://pedro-pcx-5269-waf-custom-bl.cloudflare-docs-7ou.pages.dev/waf/custom-rules/create-dashboard/
https://developers.cloudflare.com/waf/rate-limiting-rules/create-zone-dashboard/	https://pedro-pcx-5269-waf-custom-bl.cloudflare-docs-7ou.pages.dev/waf/rate-limiting-rules/create-zone-dashboard/
https://developers.cloudflare.com/waf/reference/legacy/	https://pedro-pcx-5269-waf-custom-bl.cloudflare-docs-7ou.pages.dev/waf/reference/legacy/
https://developers.cloudflare.com/waf/reference/migration-guides/firewall-rules-to-custom-rules/	https://pedro-pcx-5269-waf-custom-bl.cloudflare-docs-7ou.pages.dev/waf/reference/migration-guides/firewall-rules-to-custom-rules/
https://developers.cloudflare.com/waf/reference/migration-guides/	https://pedro-pcx-5269-waf-custom-bl.cloudflare-docs-7ou.pages.dev/waf/reference/migration-guides/