Sphinx extension entry point

def setup(app):
    """Sphinx extension entry point"""
    app.add_config_value('jsdoc_source_root', '..', 'env')
    app.add_config_value('jsdoc_output_root', 'javascript', 'env')
    app.add_config_value('jsdoc_exclude', [], 'env')
    app.connect('builder-inited', generate_docs)