message: chore(build): support setter-only dproperties
  This change to React wrapper Babel plugin makes it support setter-only
  declared properties or one whose setter is defined first.
  Refs
diff: @@ -234,7 +234,10 @@ module.exports = function generateCreateReactCustomElementType(api) {
  const metadata = getPropertyMetadata(path);
  if (metadata) {
  - if (!parentPath.isClassProperty() && (!parentPath.isClassMethod() || parentPath.node.kind !== 'get')) {
  + if (
  + !parentPath.isClassProperty() &&
  + (!parentPath.isClassMethod() || (parentPath.node.kind !== 'get' && parentPath.node.kind !== 'set'))
  + ) {
  throw parentPath.buildCodeFrameError('`@property()` must target class properties.');
  }
  declaredProps[parent.key.name] = metadata;
  