feat: add nyc field (#81)

* feat: add `nyc` field * docs: update readme * fix: move `nyc` under jest * fix: `Istanbul` lib name

Author: fisker

README.md

@@ -93,6 +93,7 @@ npx sort-package-json
 - [babel](https://babeljs.io/)
 - [eslint](https://eslint.org/)
 - [jest](https://jestjs.io/)
+- [Istanbul](https://istanbul.js.org/)
 - [xo](https://github.com/xojs/xo)
 - [prettier](https://prettier.io/)
 

index.js

@@ -54,6 +54,7 @@ const sortOrder = [
  'stylelint',
  'ava',
  'jest',
+ 'nyc',
  'dependencies',
  'devDependencies',
  'peerDependencies',
@@ -176,6 +177,7 @@ function sortPackageJson(packageJson, options = {}) {
  sortSubKey('eslintConfig');
  sortSubKey('ava');
  sortSubKey('jest');
+ sortSubKey('nyc');
  sortSubKey('xo');
  sortSubKey('prettier');
  sortSubKey('dependencies');