docs(examples): clarify server.ts entrypoint updates for edge runtimes

docs/start/framework/react/guide/server-entry-point.md

@@ -100,3 +100,19 @@ The server entry point is where you can configure server-specific behavior:
 - Logging and monitoring
 
 This flexibility allows you to customize how your TanStack Start application handles server-side rendering while maintaining the framework's conventions.
+
+## Configuring the Server Entry Point
+
+When deploying to platforms like Cloudflare Workers or other edge runtimes, you need to configure where your custom server entry point is located.
+
+### Cloudflare Workers
+
+Update your `wrangler.jsonc` to point to your custom server entry point:
+
+```jsonc
+{
+  "main": "./src/server.ts"
+}
+```
+
+This tells Cloudflare Workers to use your custom `src/server.ts` file as the entry point instead of the default TanStack Start handler. It is essential when you need custom middleware, authentication, or other server-side logic (such as i18n middleware for locale handling).

examples/react/start-i18n-paraglide/README.md

@@ -86,6 +86,8 @@ export default {
 }
 ```
 
+> **Important**: A custom `server.ts` entry point is required for Paraglide to work correctly. It handles locale detection from URLs, server-side rendering context. See the [Server Entry Point documentation](https://tanstack.com/start/latest/docs/framework/react/guide/server-entry-point) for setup instructions on different platforms, including Cloudflare Workers.
+
 In `__root.tsx` change the html lang attribute to the current locale.
 
 ```tsx