Upd readme

Author: whmsft

README.md

@@ -2,6 +2,7 @@
   PopUp<br>
   <img src="https://img.shields.io/badge/Code_Size-4.1 KB-blue.svg?style=for-the-badge">
   <img src="https://img.shields.io/badge/License-MIT-yellow?style=for-the-badge">
+  <img src="https://img.shields.io/github/commit-activity/w/whmsft/popup?style=for-the-badge">
   <br>
   <a href="https://wren.io"> <img src="https://img.shields.io/badge/Written%20in-wren-grey.svg?style=for-the-badge"></a>
   <a href="https://domeengine.com"> <img src="https://img.shields.io/badge/Made%20with-dome-8d3cff.svg?style=for-the-badge"> </a>