Adding Angular and dependent packages for testing

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

+import 'package:logging/logging.dart';
+import 'package:route_hierarchical/client.dart';
+
+Router router;
+String homeLink;
+String portfolioLink;
+
+void main() {
+  new Logger('')
+      ..level = Level.FINEST
+      ..onRecord.listen((r) =>
+          print('${new DateTime.now()}: [${r.level}] ${r.message}'));
+
+  router = new Router(useFragment: true);
+  router.root
+    ..addRoute(
+        name: 'home',
+        defaultRoute: true,
+        path: '/home')
+    ..addRoute(
+        name: 'companyInfo',
+        path: '/companyInfo',
+        mount: (child) => child
+          ..addRoute(
+              name: 'companyId',
+              path: '/:companyId',
+              mount: new _CompanyInfoRoutable())
+          ..addRoute(
+              name: 'invalid',
+              path: '/invalid',
+              defaultRoute: true))
+    ..addRoute(
+        name: 'portfolio',
+        path: '/portfolio',
+        mount: (Route child) => child
+          ..addRoute(
+              name: 'list',
+              path: '/list',
+              defaultRoute: true)
+          ..addRoute(
+              name: 'company',
+              path: '/:tabId',
+              mount: new _CompanyInfoRoutable()));
+  router.listen();
+
+  homeLink = router.url('home');
+  portfolioLink = router.url('portfolio');
+}
+
+class _CompanyInfoRoutable implements Routable {
+  void configureRoute(Route route) {
+    route
+      ..addRoute(
+          name: 'info',
+          defaultRoute: true,
+          path: '/info')
+      ..addRoute(
+          name: 'activities',
+          path: '/activities')
+      ..addRoute(
+          name: 'notes',
+          path: '/notes');
+  }
+}