Use HTTPS for jQuery

Author: hach-que

netcode.io.demoserver/index.htm

@@ -4,7 +4,7 @@
     <meta charset="utf-8" />
     <title>netcode.io from browser test!</title>
     <link rel="chrome-webstore-item" href="https://chrome.google.com/webstore/detail/hpecmifakhimhidjpcpjmihpacijicbd" />
-    <script type="text/javascript" src="http://code.jquery.com/jquery-3.2.1.min.js"></script>
+    <script type="text/javascript" src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
     <script type="text/javascript">
         function b64ToBuffer(b64) {
             var raw = window.atob(b64);