add Tasks API App Engine sample
diff --git a/samples/tasks_appengine/app.yaml b/samples/tasks_appengine/app.yaml
new file mode 100644
index 0000000..35a7dc6
--- /dev/null
+++ b/samples/tasks_appengine/app.yaml
@@ -0,0 +1,12 @@
+application: mytasks
+version: 1
+runtime: python
+api_version: 1
+
+handlers:
+- url: /oauth2callback
+  script: oauth2client/appengine.py
+- url: /css
+  static_dir: css
+- url: .*
+  script: main.py