docs: add useSuite Vue composable (#1013)

website/docs/community_resources/showcase.md

@@ -7,3 +7,4 @@ sidebar_position: 3
 This is the place for the community to show off some of their custom Vest and Enforce use cases and solutions. Feel free to submit a pull request to add your own.
 
 - [Simple Laravel Enforcer](https://gist.github.com/Elliot-Alexander/c1c05b56df155c4010e996a4aa8e0201) - A simple custom enforcer for using Vest to serve Laravel error responses within forms.
+- [Vue `useSuite` Composable](https://gist.github.com/HappyTiptoe/b798357efc7c6bec59af01a5fa252f99) - A simple Vue composable for interacting with Vest validation suites.