Adding Angular and dependent packages for testing

third_party/pkg/route_hierarchical/example/full/home.dart

+library portfolio;
+
+import 'package:web_ui/web_ui.dart';
+import 'package:route_hierarchical/client.dart';
+
+import 'index.dart';
+
+class HomeComponent extends WebComponent {
+  var links = <String, Map<String, String>>{};
+
+  created() {
+    ['100001', '111111'].forEach((companyId) {
+      links[companyId] = {};
+      ['info', 'activities', 'notes'].forEach((mode) =>
+          links[companyId][mode] = router.url('companyInfo.companyId.' + mode,
+              parameters: {
+                'companyId': companyId
+              }));
+    });
+  }
+}