Update quickstart.mdx

Author: mintlify-development[bot]

quickstart.mdx

@@ -8,6 +8,31 @@ This quickstart guide shows you how to set up and deploy your documentation site
 
 After completing this guide, you will have a live documentation site ready to customize and expand.
 
+## Quick example
+
+Here's a simple example of what you can create with Mintlify:
+
+```mdx hello.mdx
+---
+title: "My First Page"
+description: "Welcome to my documentation"
+---
+
+# Hello World
+
+This is my first documentation page with Mintlify!
+
+<Tip>
+You can add interactive components like this tip box.
+</Tip>
+
+```bash
+npm install your-package
+```
+
+That's it! Your page is now live and beautiful.
+```
+
 <Info>
 
 **Prerequisites**: Before you begin, [create an account](https://mintlify.com/start) and complete onboarding.