Add code tabs for _overviews/scala3-book/types-types-intersection.md

Author: jglodek

_overviews/scala3-book/types-intersection.md

@@ -13,6 +13,9 @@ Used on types, the `&` operator creates a so called _intersection type_.
 The type `A & B` represents values that are **both** of the type `A` and of the type `B` at the same time.
 For instance, the following example uses the intersection type `Resettable & Growable[String]`:
 
+{% tabs reset-grow class=tabs-scala-version %}
+{% tab 'Scala 3' %}
+
 ```scala
 trait Resettable:
   def reset(): Unit
@@ -24,6 +27,8 @@ def f(x: Resettable & Growable[String]): Unit =
   x.reset()
   x.add("first")
 ```
+{% endtab %}
+{% endtabs %}
 
 In the method `f` in this example, the parameter `x` is required to be *both* a `Resettable` and a `Growable[String]`.