Updated Readme (#25575)

* Updated Readme 

Split the copying instruction into separate code sections as any one of the command is used  and  Its easier to copy individual commands .

* lint-fix


Co-authored-by: JJ Kasper <jj@jjsweb.site>

examples/blog-starter/README.md

@@ -42,10 +42,16 @@ Deploy the example using [Vercel](https://vercel.com?utm_source=github&utm_mediu
 
 Execute [`create-next-app`](https://github.com/vercel/next.js/tree/canary/packages/create-next-app) with [npm](https://docs.npmjs.com/cli/init) or [Yarn](https://yarnpkg.com/lang/en/docs/cli/create/) to bootstrap the example:
 
-```bash
+```
 npx create-next-app --example blog-starter blog-starter-app
-# or
+
+```
+
+or
+
+```
 yarn create next-app --example blog-starter blog-starter-app
+
 ```
 
 Your blog should be up and running on [http://localhost:3000](http://localhost:3000)! If it doesn't work, post on [GitHub discussions](https://github.com/vercel/next.js/discussions).