Merge pull request #33 from oumoussa98/docs

update(docs): added how it works to introduction

Author: oumoussa98

docs/src/guide/introduction.md

@@ -6,6 +6,10 @@ footer: false
 
 Light and simple infinite scroll component compatible with vue.js 3 and vite, to help you implement an infinite scroll list more easily.
 
-### Contribute
+## How it works
+
+The component fires an `infinite` event when the user scrolls to the bottom or while the component is visible in the viewport of the `target` element passed as prop.
+
+## Contribute
 
 If you find any spelling mistakes or have improvements to offer, I am open to anyone who has ideas and wants to contribute.