Clarify emits API section (#282)

Add an explainer that:

1. Emits removes listeners from attribute inheritance
2. Emits removes listeners from the `$attrs` property

Author: CyberAP

src/api/options-data.md

@@ -290,3 +290,10 @@
     }
   })
   ```
+  
+  ::: tip Note
+  Events listed in the `emits` option **will not** be inherited by the root element of the component and also will be exlcluded from the `$attrs` property.
+  :::
+  
+
+- **See also:** [Attribute Inheritance](../guide/component-props.html#non-prop-attributes)