Add with-global-stylesheet-simple (#3157)

* Add with-global-stylesheet-simple

* Lint fix

examples/with-global-stylesheet-simple/.babelrc

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+{
+  "plugins": [
+    [
+      "inline-import",
+      {
+        "extensions": [".css"]
+      }
+    ]
+  ],
+  "presets": ["next/babel"],
+  "ignore": []
+}

examples/with-global-stylesheet-simple/README.md

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+[![Deploy to now](https://deploy.now.sh/static/button.svg)](https://deploy.now.sh/?repo=https://github.com/zeit/next.js/tree/master/examples/with-global-stylesheet-simple)
+
+## Global Stylesheet Example (Simple Version - CSS inside `node_modules`)
+
+This is an example of importing a CSS file located inside `node_modules` (ones you downloaded using `npm` or `yarn`).
+
+This would be useful for importing CSS libraries such as [`normalize.css`](https://necolas.github.io/normalize.css/).
+
+### What if I want to import my own CSS, such as `styles/foo.css`?
+
+Check out the [with-global-stylesheet](../with-global-stylesheet) example.
+
+### How It Works
+
+- Install `babel-plugin-inline-import` using `npm` or `yarn`
+- Then, add this to your `.babelrc`:
+
+```js
+{
+  "plugins": [
+    [
+      "inline-import",
+      {
+        "extensions": [".css"]
+      }
+    ]
+  ],
+  "presets": ["next/babel"],
+  "ignore": []
+}
+```
+
+- Install any CSS library using `npm` or `yarn`. In this example, I installed [`tachyons`](http://tachyons.io/).
+- Import the CSS file. Here, I'm importing a CSS file located at `node_modules/tachyons/css/tachyons.min.css`.
+
+```js
+import tachyons from 'tachyons/css/tachyons.min.css'
+```
+
+- Add it globally using `styled-jsx`:
+
+```js
+<style jsx global>{tachyons}</style>
+```
+
+### Result ([`index.js`](pages/index.js)):
+
+![](example.png)

examples/with-global-stylesheet-simple/package.json

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+{
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next"
+  },
+  "dependencies": {
+    "babel-plugin-inline-import": "^2.0.6",
+    "next": "^4.1.3",
+    "react": "^16.0.0",
+    "react-dom": "^16.0.0",
+    "tachyons": "^4.8.1"
+  }
+}

examples/with-global-stylesheet-simple/pages/index.js

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+import React from 'react'
+import tachyons from 'tachyons/css/tachyons.min.css'
+
+const SomeComponent = () =>
+  <div className='sans-serif'>
+    <article className='br2 ba dark-gray b--black-10 mv4 w-100 w-50-m w-25-l mw5 center'>
+      <img src='http://placekitten.com/g/600/300' className='db w-100 br2 br--top' alt='Photo of a kitten looking menacing.' />
+      <div className='pa2 ph3-ns pb3-ns'>
+        <div className='dt w-100 mt1'>
+          <div className='dtc'>
+            <h1 className='f5 f4-ns mv0'>Cat</h1>
+          </div>
+          <div className='dtc tr'>
+            <h2 className='f5 mv0'>$1,000</h2>
+          </div>
+        </div>
+        <p className='f6 lh-copy measure mt2 mid-gray'>
+          If it fits, i sits burrow under covers. Destroy couch leave hair everywhere,
+          and touch water with paw then recoil in horror.
+        </p>
+      </div>
+    </article>
+  </div>
+
+export default () =>
+  <div>
+    <SomeComponent />
+    <style jsx global>{tachyons}</style>
+  </div>