Update manifest to start at woolaroo
Update manifest to start at woolaroo

Current manifest would try and take the scope over the whole
artsexperiments sub domain.

Relates to #201

GoogleCloudPlatform/woolaroo-language-learning-app,GoogleCloudPlatform/woolaroo-language-learning-app,GoogleCloudPlatform/woolaroo-language-learning-app,GoogleCloudPlatform/woolaroo-language-learning-app,GoogleCloudPlatform/woolaroo-language-learning-app