chore: update remix to react router (cloudflare#21847)

Author: kyranjamie

src/content/docs/workers/index.mdx

@@ -17,7 +17,7 @@ A serverless platform for building, deploying, and scaling apps across [Cloudfla
 
 With Cloudflare Workers, you can expect to:
 - Deliver fast performance with high reliability anywhere in the world
-- Build full-stack apps with your framework of choice, including [React](/workers/frameworks/framework-guides/react-router/), [Vue](/workers/frameworks/framework-guides/vue/), [Svelte](/workers/frameworks/framework-guides/svelte/), [Next](/workers/frameworks/framework-guides/nextjs/), [Astro](/workers/frameworks/framework-guides/astro/), [Remix](/workers/frameworks/framework-guides/react-router/), [and more](/workers/frameworks/)
+- Build full-stack apps with your framework of choice, including [React](/workers/frameworks/framework-guides/react-router/), [Vue](/workers/frameworks/framework-guides/vue/), [Svelte](/workers/frameworks/framework-guides/svelte/), [Next](/workers/frameworks/framework-guides/nextjs/), [Astro](/workers/frameworks/framework-guides/astro/), [React Router](/workers/frameworks/framework-guides/react-router/), [and more](/workers/frameworks/)
 - Use your preferred language, including [JavaScript](/workers/languages/javascript/), [TypeScript](/workers/languages/typescript/), [Python](/workers/languages/python/), [Rust](/workers/languages/rust/), [and more](/workers/runtime-apis/webassembly/)
 - Gain deep visibility and insight with built-in [observability](/workers/observability/logs/)
 - Get started for free and grow with flexible [pricing](/workers/platform/pricing/), affordable at any scale
@@ -146,4 +146,4 @@ Streamlined image infrastructure from a single API.
 
 ---
 
-Want to connect with the Workers community? [Join our Discord](https://discord.cloudflare.com)
+Want to connect with the Workers community? [Join our Discord](https://discord.cloudflare.com)