creates a json output from the inputs
create_request_body(imagePaths, feature, maxNumResults)character, file paths, URLs or Cloud Storage URIs of the images, can be a combination of all three
character, one out of: "LABEL_DETECTION", "FACE_DETECTION", "TEXT_DETECTION", "DOCUMENT_TEXT_DETECTION", "LOGO_DETECTION", "LANDMARK_DETECTION"
integer, the maximum number of results (per image) to be returned.
request body (payload), encoded as json