add slide link

assets/index.html

@@ -48,7 +48,8 @@
       <a href="index.ja.html">ja</a>/<a href="index.html">en</a>
     </div>
     <div class="about">
-      Single-Image Super-Resolution for anime/fan-arts using Deep Convolutional Neural Networks.
+      Single-Image Super-Resolution for anime/fan-art using Deep Convolutional Neural Networks.
+      <a href="https://raw.githubusercontent.com/nagadomi/waifu2x/master/images/slide.png" target="_blank">about</a>.
     </div>
     <form action="/api" method="POST" enctype="multipart/form-data" target="_blank">
       <fieldset>

assets/index.ja.html

@@ -48,6 +48,7 @@
     </div>
     <div class="about">
       深層畳み込みニューラルネットワークによる二次元画像のための超解像システム.
+      <a href="https://raw.githubusercontent.com/nagadomi/waifu2x/master/images/slide.png" target="_blank">about</a>.
     </div>
     <form action="/api" method="POST" enctype="multipart/form-data" target="_blank">
       <fieldset>