Add cross-references to API reference docs

[jhutchings1]

Summary

I noticed that we don't have cross-references to the various API docs in the fundamentals section right now. I've added these to improve discoverability and navigation. I also changed the order to alphabetize the rest of the reference content in this folder.

Screenshots (optional)

Documentation checklist

• The documentation style guide has been adhered to.
• If a larger change - such as adding a new page- an issue has been opened in relation to any incorrect or out of date information that this PR fixes.
• Files which have changed name or location have been allocated redirects.

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PR Change Summary

Enhanced API documentation by adding cross-references and reorganizing content for better navigation.

• Added cross-references to various API docs in the fundamentals section
• Alphabetized the order of reference content
• Introduced new GraphQL and REST API documentation pages
• Updated sidebar order for existing API reference pages

Modified Files

• src/content/docs/fundamentals/api/reference/deprecations.mdx
• src/content/docs/fundamentals/api/reference/limits.mdx
• src/content/docs/fundamentals/api/reference/permissions.mdx
• src/content/docs/fundamentals/api/reference/sdks.mdx
• src/content/docs/fundamentals/api/reference/template.mdx

Added Files

• src/content/docs/fundamentals/api/reference/graphql-api.mdx
• src/content/docs/fundamentals/api/reference/rest-api.mdx
• src/content/docs/fundamentals/api/reference/wrangler-api.mdx

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[github-actions]

Preview URL: https://2e05645d.preview.developers.cloudflare.com
Preview Branch URL: https://jhutchings1-api-reference.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/fundamentals/api/reference/template/	https://jhutchings1-api-reference.preview.developers.cloudflare.com/fundamentals/api/reference/template/
https://developers.cloudflare.com/fundamentals/api/reference/graphql-api/	https://jhutchings1-api-reference.preview.developers.cloudflare.com/fundamentals/api/reference/graphql-api/
https://developers.cloudflare.com/fundamentals/api/reference/limits/	https://jhutchings1-api-reference.preview.developers.cloudflare.com/fundamentals/api/reference/limits/
https://developers.cloudflare.com/fundamentals/api/reference/rest-api/	https://jhutchings1-api-reference.preview.developers.cloudflare.com/fundamentals/api/reference/rest-api/
https://developers.cloudflare.com/fundamentals/api/reference/wrangler-api/	https://jhutchings1-api-reference.preview.developers.cloudflare.com/fundamentals/api/reference/wrangler-api/
https://developers.cloudflare.com/fundamentals/api/reference/deprecations/	https://jhutchings1-api-reference.preview.developers.cloudflare.com/fundamentals/api/reference/deprecations/
https://developers.cloudflare.com/fundamentals/api/reference/permissions/	https://jhutchings1-api-reference.preview.developers.cloudflare.com/fundamentals/api/reference/permissions/
https://developers.cloudflare.com/fundamentals/api/reference/sdks/	https://jhutchings1-api-reference.preview.developers.cloudflare.com/fundamentals/api/reference/sdks/

[jhutchings1]

@KianNH any ideas why these Actions workflows are failing on this PR? Not sure if I should ignore?

[jhutchings1]

Workflows all passed when I reran them today. Thanks!