Implemented e-mail notification trigger.

pages/admin/emails/@template/+route.js

@@ -0,0 +1,18 @@
+import { match } from 'path-to-regexp';
+
+const path = '/admin/emails/:template';
+const urlMatch = match(path, { decode: decodeURIComponent });
+
+export default (pageContext) => {
+	const matched = urlMatch(pageContext.urlPathname);
+
+	if (matched) {
+		return {
+			routeParams: {
+				template: matched.params.template,
+			},
+		};
+	}
+
+	return false;
+};