Customizer Field EndPoint

Adds Endpoint for current active theme customier fields. 'wp-json/themes/v1/customizer-fields'

Arbitrary section

You may provide arbitrary sections, in the same format as the ones above. This may be of use for extremely complicated plugins where more information needs to be conveyed that doesn't fit into the categories of "description" or "installation." Arbitrary sections will be shown below the built-in sections outlined above.