message: Add getNextSibling()
diff: @@ -3,6 +3,7 @@ import * as t from "@babel/types";
  export {
  getPreviousSibling,
  + getNextSibling,
  hasSiblingStatement,
  getPreviousSiblingStatements,
  getNextSiblingStatements
  @@ -12,6 +13,10 @@ function getPreviousSibling(path: NodePath): NodePath | undefined {
  return path.getAllPrevSiblings()[0];
  }
  +function getNextSibling(path: NodePath): NodePath | undefined {
  + return path.getAllNextSiblings()[0];
  +}
  +
  function hasSiblingStatement(path: NodePath): boolean {
  const allSiblingStatements = [
  ...getPreviousSiblingStatements(path),
  