Star History supports dark theme

Author: YDX-2147483647

config/footer.md

@@ -28,7 +28,13 @@
 
 ## 星标历史
 
-[![Star History Chart](https://api.star-history.com/svg?repos=YDX-2147483647/best-of-bits&type=Date)](https://star-history.com/#YDX-2147483647/best-of-bits&Date)
+<a href="https://star-history.com/#YDX-2147483647/best-of-bits&Date">
+  <picture>
+    <source media="(prefers-color-scheme: dark)" srcset="https://api.star-history.com/svg?repos=YDX-2147483647/best-of-bits&type=Date&theme=dark" />
+    <source media="(prefers-color-scheme: light)" srcset="https://api.star-history.com/svg?repos=YDX-2147483647/best-of-bits&type=Date" />
+    <img alt="Star History Chart" src="https://api.star-history.com/svg?repos=YDX-2147483647/best-of-bits&type=Date" />
+  </picture>
+</a>
 
 ## 许可