Changes to Create a new Avatar

added the new optional request property callbackUrl

added the new required request property datasetImage

added the new required request property type

removed the request property consentVideo

removed the request property datasetVideo

removed the optional property createAt from the response with the 201 status

added the new optional request property voiceId

added the optional property createdAt to the response with the 201 status

added the optional property actorName to the response with the 201 status

added the optional property model to the response with the 201 status

added the optional property orientation to the response with the 201 status

added the optional property coverImageUrl to the response with the 201 status

endpoint added