英語ページに統計ページへのリンクを追加

- Scratch Conference Europe スライドの下に統計ページへのリンクを配置
- References セクションのリスト最上部にも統計ページへのリンクを追加
- チャート絵文字 (📊) を使用してリンクを視覚的に識別しやすく
- 英語圏の訪問者が詳細な統計情報を簡単に見つけられるように改善

Author: yasulab

public/docs/english.md

@@ -48,6 +48,12 @@ Like in other countires, the CoderDojo community in Japan has been growing stead
   <center>📜 Slides presented at <a href='https://coderdojo.com/2019/08/30/6-insightful-talks-at-scratch-conference-europe/'>Scratch Conference Europe</a></center>
 </div>
 
+<center style="margin-top: 20px;">
+  <a href='/english/stats'>
+    &raquo; View statistics of CoderDojo activities across Japan
+  </a>
+</center>
+
 <br>
 
 
@@ -100,6 +106,7 @@ With substantial support from our partners, we continue to contribute to the Cod
 
 For more detailed information, please refer to the following reports, articles, and videos on the CoderDojo community in Japan.
 
+- 📊 [Statistics of CoderDojo activities across Japan](/english/stats)
 - 🤝 [Social Contribution Activities (2024-2026) \| About Us \| Mitsue-Links](https://www.mitsue.co.jp/english/company/csr/social/activities/index.html)
 - 🤝 [Social Contribution Activities (2021-2023) \| About Us \| Mitsue-Links](https://www.mitsue.co.jp/english/company/csr/social/activities/2021-2023.html)
 - 🤝 [micro:bit - Children add tech to creative problem-solving in Japan](https://microbit.org/news/2022-04-14/children-add-tech-to-creative-problemsolving-in-japan/)