Update README.md

.github/README.md

@@ -306,9 +306,21 @@ If you want to say **thank you** and/or support the active development of `Fiber
 
 `Fiber` is free and open-source software licensed under the [MIT License](https://github.com/gofiber/fiber/blob/master/LICENSE).
 
+# A collapsible section containing code
+<details>
+  <summary>Click to expand!</summary>
+  
+  ```javascript
+    function whatIsLove() {
+      console.log('Baby Don't hurt me. Don't hurt me');
+      return 'No more';
+    }
+  ```
+</details>
+
 <details>
   <summary>📜 Show code snippet</summary>
-  ```go
+  ```golang
   func main() {
     app := fiber.New()