Added formstrap to the wild lists (#1722)

README.md

@@ -265,6 +265,7 @@ Organizations and projects using `reactstrap`
 - [DevExtreme React Grid](https://devexpress.github.io/devextreme-reactive/react/grid/) - It's a stateless data grid built on top of `reactstrap` with paging, sorting, filtering, grouping, selection, editing and virtual scrolling features.
 - [DevExtreme React Chart](https://devexpress.github.io/devextreme-reactive/react/chart/) - A chart built on top of `reactstrap` that visualizes data using a variety of series types, including bar, line, area, scatter, pie, and more.
 - [reactstrap-scrollspy](https://github.com/keidrun/reactstrap-scrollspy/) - [demo](https://keidrun.github.io/reactstrap-scrollspy/)
+- [formstrap](https://github.com/pedox/formstrap/) - [demo](https://pedox.github.io/formstrap/) - Let your `reactstrap` input component integrate seamlessly using `Formik` 
 
 Submit a PR to add to this list!