message: Made bordered and underline props for Textarea optional
diff: @@ -638,8 +638,8 @@ declare module "native-base" {
  */
  interface Textarea extends ReactNative.TextInputProps, Testable {
  rowSpan: number;
  - bordered: boolean;
  - underline: boolean;
  + bordered?: boolean;
  + underline?: boolean;
  /**
  * Disables inputting data.
  */
  