Wire up contextModule, panelModule, layoutTemplateModule. Viewer sort of displays

extensions/default/src/getPanelModule.js

@@ -0,0 +1,41 @@
+import React from 'react';
+import {
+  HelloWorldContext,
+  AnotherHelloWorldContext,
+} from './getContextModule';
+
+function helloWorldComponent({}) {
+  return (
+    <HelloWorldContext.Consumer>
+      {value => (
+        <div>
+          <h2 style={{ color: 'white' }}>
+            {'Hello world. Context value:'}
+            {JSON.stringify(value)}
+          </h2>
+        </div>
+      )}
+    </HelloWorldContext.Consumer>
+  );
+}
+
+function getPanelModule() {
+  return [
+    {
+      name: 'seriesList',
+      iconName: 'group-layers',
+      iconLabel: 'Studies',
+      label: 'Studies',
+      component: helloWorldComponent,
+    },
+    {
+      name: 'measure',
+      iconName: 'list-bullets',
+      iconLabel: 'Measure',
+      label: 'Measurements',
+      component: helloWorldComponent,
+    },
+  ];
+}
+
+export default getPanelModule;