Load modules once all dependencies have loaded (#192)

Author: levkk

pgml-dashboard/app/templates/base.html

@@ -27,7 +27,7 @@
         <script defer type="module" src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/addon/hint/show-hint.min.js" integrity="sha512-yhmeAerubMLaGAsyS7sE8Oqub6GeTkBDQpkXo2JKHgg7JOCudQvcbDQc5rPxdl7MqcDusTJzSy+ODlyzAwETfQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
         <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/codemirror.min.css" integrity="sha512-uf06llspW44/LZpHzHT6qBOIVODjWtv4MxCricRxkzvopAlSWnTf6hpZTFxuuZcuNE9CBQhqE0Seu1CoRk84nQ==" crossorigin="anonymous" referrerpolicy="no-referrer" />
         <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/addon/hint/show-hint.min.css" integrity="sha512-OmcLQEy8iGiD7PSm85s06dnR7G7C9C0VqahIPAj/KHk5RpOCmnC6R2ob1oK4/uwYhWa9BF1GC6tzxsC8TIx7Jg==" crossorigin="anonymous" referrerpolicy="no-referrer" />
-        <script async src="https://unpkg.com/es-module-shims@1.2.0/dist/es-module-shims.js"></script>
+        <script defer src="https://unpkg.com/es-module-shims@1.2.0/dist/es-module-shims.js"></script>
         <script type="importmap-shim">
             {
                 "imports": {