docs: move star history to the end

Author: sanbuphy

README.en.md

@@ -473,16 +473,6 @@ When adding content:
 
 For repository-specific maintenance rules, see [`AGENTS.md`](AGENTS.md).
 
-## Star History
-
-<a href="https://star-history.com/#walkinglabs/hands-on-modern-rl&Date">
-  <picture>
-    <source media="(prefers-color-scheme: dark)" srcset="https://api.star-history.com/svg?repos=walkinglabs/hands-on-modern-rl&type=Date&theme=dark" />
-    <source media="(prefers-color-scheme: light)" srcset="https://api.star-history.com/svg?repos=walkinglabs/hands-on-modern-rl&type=Date" />
-    <img alt="Star History Chart" src="https://api.star-history.com/svg?repos=walkinglabs/hands-on-modern-rl&type=Date" />
-  </picture>
-</a>
-
 ## Citation
 
 If you use this course in teaching materials, study notes, or derivative non-commercial educational work, please cite the repository:
@@ -503,6 +493,16 @@ This course is released under the [Creative Commons Attribution-NonCommercial-Sh
 
 You may share and adapt the material for non-commercial purposes, provided that you give appropriate credit and distribute derivative works under the same license.
 
+## Star History
+
+<a href="https://star-history.com/#walkinglabs/hands-on-modern-rl&Date">
+  <picture>
+    <source media="(prefers-color-scheme: dark)" srcset="https://api.star-history.com/svg?repos=walkinglabs/hands-on-modern-rl&type=Date&theme=dark" />
+    <source media="(prefers-color-scheme: light)" srcset="https://api.star-history.com/svg?repos=walkinglabs/hands-on-modern-rl&type=Date" />
+    <img alt="Star History Chart" src="https://api.star-history.com/svg?repos=walkinglabs/hands-on-modern-rl&type=Date" />
+  </picture>
+</a>
+
 ---
 
 <div align="center">

README.md

@@ -482,16 +482,6 @@ npm run verify        # 运行格式检查、Lint、构建和产物验证
 
 有关特定于本仓库的维护规则，请参阅 [`AGENTS.md`](AGENTS.md)。
 
-## Star History
-
-<a href="https://star-history.com/#walkinglabs/hands-on-modern-rl&Date">
-  <picture>
-    <source media="(prefers-color-scheme: dark)" srcset="https://api.star-history.com/svg?repos=walkinglabs/hands-on-modern-rl&type=Date&theme=dark" />
-    <source media="(prefers-color-scheme: light)" srcset="https://api.star-history.com/svg?repos=walkinglabs/hands-on-modern-rl&type=Date" />
-    <img alt="Star History Chart" src="https://api.star-history.com/svg?repos=walkinglabs/hands-on-modern-rl&type=Date" />
-  </picture>
-</a>
-
 ## 其他课程
 
 我们的团队还制作了其他课程！请查看：
@@ -524,6 +514,16 @@ npm run verify        # 运行格式检查、Lint、构建和产物验证
 
 您可以出于非商业目的共享和修改本材料，前提是必须给出适当的署名，并且衍生作品也必须在相同的协议下分发。
 
+## Star History
+
+<a href="https://star-history.com/#walkinglabs/hands-on-modern-rl&Date">
+  <picture>
+    <source media="(prefers-color-scheme: dark)" srcset="https://api.star-history.com/svg?repos=walkinglabs/hands-on-modern-rl&type=Date&theme=dark" />
+    <source media="(prefers-color-scheme: light)" srcset="https://api.star-history.com/svg?repos=walkinglabs/hands-on-modern-rl&type=Date" />
+    <img alt="Star History Chart" src="https://api.star-history.com/svg?repos=walkinglabs/hands-on-modern-rl&type=Date" />
+  </picture>
+</a>
+
 ---
 
 <div align="center">