[cloudflare] sync create-cloudflare command with latest changes (#119)

Author: vicb

pages/cloudflare/examples.mdx

@@ -5,7 +5,7 @@ import { Callout } from "nextra/components";
 To create a new Next.js app, pre-configured to run on Cloudflare using `@opennextjs/cloudflare`, run:
 
 ```
-npm create cloudflare@latest -- my-next-app --framework=next --experimental
+npm create cloudflare@latest -- my-next-app --framework=next --platform=workers
 ```
 
 ### Basic starter projects

pages/cloudflare/get-started.mdx

@@ -7,7 +7,7 @@ import { Callout } from "nextra/components";
 To create a new Next.js app, pre-configured to run on Cloudflare using `@opennextjs/cloudflare`, run:
 
 ```sh
-npm create cloudflare@latest -- my-next-app --framework=next --experimental
+npm create cloudflare@latest -- my-next-app --framework=next --platform=workers
 ```
 
 #### Existing Next.js apps

pages/cloudflare/howtos/dev.mdx

@@ -13,7 +13,7 @@ Let's explore, in more detail, the application development workflow we recommend
 To create a new Next.js app, pre-configured to run on Cloudflare using `@opennextjs/cloudflare`, run:
 
 ```bash
-npm create cloudflare@latest -- my-next-app --framework=next --experimental
+npm create cloudflare@latest -- my-next-app --framework=next --platform=workers
 ```
 
 ### Develop locally using `next dev`

pages/cloudflare/index.mdx

@@ -12,7 +12,7 @@ The [`@opennextjs/cloudflare`](https://www.npmjs.com/package/@opennextjs/cloudfl
 To create a new Next.js app, pre-configured to run on Cloudflare using `@opennextjs/cloudflare`, run:
 
 ```
-npm create cloudflare@latest -- my-next-app --framework=next --experimental
+npm create cloudflare@latest -- my-next-app --framework=next --platform=workers
 ```
 
 ##### Existing Next.js apps