Make index.html actually an index.

Moved the camera visualization to a new page called camera_viewer.html

Change-Id: I247af2fc8a01cbd2dd7bba451b98b25a524a3b1a
diff --git a/y2020/www/index.html b/y2020/www/index.html
index 20b9785..f9ceca2 100644
--- a/y2020/www/index.html
+++ b/y2020/www/index.html
@@ -1,9 +1,6 @@
 <html>
-  <head>
-    <script src="flatbuffers.js"></script>
-    <script src="main_bundle.min.js" defer></script>
-    <link rel="stylesheet" href="styles.css">
-  </head>
   <body>
+    <a href="camera_viewer.html">Camera Viewer</a><br>
+    <a href="field.html">Field Visualization</a>
   </body>
 </html>