message: docs: added xs prop type for size prop
diff: @@ -198,4 +198,4 @@ The Button composes the `PseudoBox` component so you can pass props for
  | `isDisabled` | `boolean` | | If `true`, the button will be disabled. |
  | `isLoading` | `boolean` | | If `true`, the button will show a spinner. |
  | `loadingText` | `string` | | The label to show in the button when `isLoading` is true. If no text is passed, it only shows the spinner |
  -| `size` | `sm`, `md`, `lg` | `md` | The size of the button. |
  +| `size` | `xs`, `sm`, `md`, `lg` | `md` | The size of the button. |
  