Adding Angular and dependent packages for testing

third_party/pkg/js/update-ghpages.dart

Index: third_party/pkg/js/update-ghpages.dart
diff --git a/third_party/pkg/js/update-ghpages.dart b/third_party/pkg/js/update-ghpages.dart
new file mode 100644
index 0000000000000000000000000000000000000000..73d53057427980b1daed19b902ed45df66b1a9f9
--- /dev/null
+++ b/third_party/pkg/js/update-ghpages.dart
@@ -0,0 +1,14 @@
+import 'package:ghpages_generator/ghpages_generator.dart' as gh;
+
+/**
+ * Run this file to update the _gh-pages_ branch with a fresh dartdoc of
+ * the library and examples compiled through dart2js.
+ * Once ran you only have to push the _gh-pages_ branch to github.
+ */
+main() {
+  new gh.Generator()
+  ..setDartDoc(['lib/js.dart'], excludedLibs: ['metadata'], outDir: 'docs')
+  ..setExamples(true)
+  ..templateDir = 'gh-pages-template'
+  ..generate();
+}