Fixed Mistake in Documentation

The Custom Icon attribute was "icon" which should be "name"

Author: adelbke

website/pages/icon.mdx

@@ -142,8 +142,8 @@ You can now consume your custom icons in your template like this:
 
 ```vue
 <template>
-  <c-icon icon="icon1" color="yellow.600" />
-  <c-icon icon="icon2" color="green.300" />
+  <c-icon name="icon1" color="yellow.600" />
+  <c-icon name="icon2" color="green.300" />
 </template>
 ```