docs(input): add mask example

docs/content/3.components/input.md

@@ -278,6 +278,16 @@ name: 'input-kbd-example'
 This example uses the `defineShortcuts` composable to focus the Input when the :kbd{value="/"} key is pressed.
 ::
 
+### With mask
+
+There's no built-in support for masks, but you can use librairies like [maska](https://github.com/beholdr/maska) to mask the Input.
+
+::component-example
+---
+name: 'input-mask-example'
+---
+::
+
 ### With floating label
 
 You can use the `#default` slot to add a floating label to the Input.