chore: update templates to use inline ext (#1058)

* chore: update templates to use inline ext

* chore: update script template

examples/sn-hello-react/src/ext.js

@@ -0,0 +1,11 @@
+export default function ext(/* galaxy */) {
+  return {
+    support: {
+      snapshot: false,
+      export: true,
+      sharing: false,
+      exportData: true,
+      viewData: true,
+    },
+  };
+}

examples/sn-hello-react/src/index.js

@@ -2,15 +2,24 @@ import { useElement, useLayout, useEffect } from '@nebula.js/stardust';
 
 import properties from './object-properties';
 import data from './data';
+import ext from './ext';
 
 import { render, teardown } from './components/root';
-
-export default function supernova(/* env */) {
+/**
+ * Entrypoint for your sense visualization
+ * @param {object} galaxy Contains global settings from the environment.
+ * Useful for cases when stardust hooks are unavailable (ie: outside the component function)
+ * @param {object} galaxy.anything Extra environment dependent options
+ * @param {object=} galaxy.anything.sense Optional object only present within Sense,
+ * see: https://qlik.dev/libraries-and-tools/nebulajs/in-qlik-sense
+ */
+export default function supernova(galaxy) {
   return {
     qae: {
       properties,
       data,
     },
+    ext: ext(galaxy),
     component() {
       const el = useElement();
       const layout = useLayout();