code: function (propType, values) {
  
  	propType.info = Object.assign(
  		propType.info ? propType.info : {},
  		values
  	);
  
  	if (propType.isRequired) {
  		propType.isRequired.info = Object.assign(
  			propType.isRequired && propType.isRequired.info ? propType.isRequired.info : {},
  			values
  		);
  
  		propType.isRequired.info.isRequired = true;
  		propType.info.isRequired = false;
  	}
  
  	return propType;
  }
docs: function to add key value pair to proptype