fix giscus

Author: wkelsey-apple

circuitSolver/index.html

@@ -22,8 +22,8 @@
     <!-- <script src="js/algebrite_v1p2.bundle-for-browser-min.js"></script> -->
     <script src="js/startupSchematic.js"></script>
     <script src="https://fred-wang.github.io/mathml.css/mspace.js"></script>
-    <script type="module" src="https://unpkg.com/giscus?module"></script>
-
+    <!-- <script type="module" src="https://unpkg.com/giscus?module"></script> -->
+    <script type="module" src="https://cdn.skypack.dev/giscus"></script>
     <!-- <link type="text/css" rel="stylesheet" href="application.css" /> -->
 
     <script src="./js/jquery.js"></script>