ReadMe updated

README.md

@@ -31,4 +31,12 @@ You can check out [the Next.js GitHub repository](https://github.com/vercel/next
 
 The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js.
 
+```bash
+
+npm run build
+# or
+yarn build
+
+```
+
 Check out our [Next.js deployment documentation](https://nextjs.org/docs/deployment) for more details.