Merge pull request #42 from coderdojo-japan/contest-link

ありがとうございますー！

Author: hajihaji9988

img/sponsor/g_hde.png

@@ -145,6 +145,16 @@ <h3 class="heading__02">COMING SOON</h3>
 <h2 class="heading__01 bgwh">SPONSOR</h2>
 
 <div class="container">
+
+  <h3 class="text-center">Gold</h3>
+  <div class="row">
+    <div class="col-md-8 offset-md-2">
+      <a href="http://www.hde.co.jp/" target="_blank">
+        <img src="./img/sponsor/g_hde.png" class="w-100" alt="株式会社HDE 様ロゴ">
+      </a>
+    </div>
+  </div>
+
   <h3 class="text-center">Silver</h3>
   <div class="row">
     <div class="col-md-6 offset-md-3">