Implemented e-mail notification trigger.

pages/admin/emails/+onBeforeRender.js

@@ -0,0 +1,18 @@
+import { render } from 'vike/abort';
+
+import { listEmailTemplates } from '#/src/email-templates.js';
+
+export default function onBeforeRender(pageContext) {
+	if (!pageContext.user || pageContext.user.role === 'user') {
+		throw render(404);
+	}
+
+	return {
+		pageContext: {
+			title: 'E-mail Previews',
+			pageProps: {
+				templates: listEmailTemplates(),
+			},
+		},
+	};
+}