docs: added threejs docs

docs/api/instances-arguments-and-props.md

@@ -21,6 +21,8 @@ With **Tres** you don't need to import anything, that's because **Tres** automat
 </template>
 ```
 
+This mean that you can the same [documentation](https://threejs.org/docs/) as you where using plain ThreeJS, but with the power of Vue.
+
 ## Declaring objects
 
 If we follow this argument, you should be able to lay out an instance like this: ❌