add some packages

node_modules/set-immediate-shim/readme.md

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+# set-immediate-shim [![Build Status](https://travis-ci.org/sindresorhus/set-immediate-shim.svg?branch=master)](https://travis-ci.org/sindresorhus/set-immediate-shim)
+
+> Simple [`setImmediate`](https://developer.mozilla.org/en-US/docs/Web/API/Window.setImmediate) shim
+
+
+## Install
+
+```
+$ npm install --save set-immediate-shim
+```
+
+
+## Usage
+
+```js
+var setImmediateShim = require('set-immediate-shim');
+
+setImmediateShim(function () {
+	console.log('2');
+});
+
+console.log('1');
+
+//=> 1
+//=> 2
+```
+
+
+## License
+
+MIT © [Sindre Sorhus](http://sindresorhus.com)