docs: add star history (#280)

Author: shi-gg

README.md

@@ -159,3 +159,13 @@ If you're building something cool, let us know! 🙏
 Made with ❤️
 
 Published under [MIT License](./LICENSE).
+
+## Star History
+
+<a href="https://www.star-history.com/#npmx-dev/npmx.dev&type=date&legend=top-left">
+ <picture>
+   <source media="(prefers-color-scheme: dark)" srcset="https://api.star-history.com/svg?repos=npmx-dev/npmx.dev&type=date&theme=dark&legend=top-left" />
+   <source media="(prefers-color-scheme: light)" srcset="https://api.star-history.com/svg?repos=npmx-dev/npmx.dev&type=date&legend=top-left" />
+   <img alt="Star History Chart" src="https://api.star-history.com/svg?repos=npmx-dev/npmx.dev&type=date&legend=top-left" />
+ </picture>
+</a>