copy .gcloudignore from bridgy

.gcloudignore

@@ -0,0 +1,41 @@
+# -*- conf -*-
+# Duplicated in other App Engine project repos: Bridgy, Bridgy Fed, granary,
+# oauth-dropins, etc. If you make a change here, change them too!
+#
+# https://cloud.google.com/appengine/docs/standard/python/config/appref#Python_app_yaml_Includes
+
+*.bak
+*.c
+*.cc
+*.cpp
+*.h
+*.o
+*.pyc
+*.pyo
+*.so
+.git*
+
+__pycache__/
+.coverage/
+.git*/
+coverage/
+debian/
+doc/
+docs/
+example/
+examples/
+l/
+l3/
+local/
+local3/
+pydoc/
+pydocs/
+python3/
+RCS/
+ref/
+sample/
+samples/
+TAGS
+TAGS/
+test/
+tests/