Update subtitle text in index.html

Author: gitpullpull

index.html

@@ -170,7 +170,7 @@
                 <img src="icon-git.png" alt="gitpullpull">
             </div>
             <h1>gitpullpull</h1>
-            <p class="subtitle">Developer • Creator</p>
+            <p class="subtitle">だいがくさんねんせい。ぷるぷるしてます。</p>
         </div>
 
         <div class="links">