Update index.html

frontend/static/index.html

@@ -80,7 +80,7 @@
     </div>
     <div id="mynetwork"></div>
     <label class="header">English Proficiency and Tweets</label>
-    <div id="center"><img src="aurin.png"></div>
+    <div id="center"><img src="aurin.jpeg"></div>
     <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
     <script src = "Sports.js"> </script>
     <script type="text/javascript">