Writing component README.md files

This guide provides the essential recommendations for writing component README.md files.

Template README.md

This is the basic template for a component's README.md. Parts that you, the writer, are expected to fill out have been marked with TODO statements.

# TODO: ComponentName

TODO: Single sentence description of the component.
<!--{: .article__intro }-->

## Design & API Documentation

<ul class="icon-list">
  <li class="icon-list-item icon-list-item--spec">
    <a href="https://material.io/guidelines/<TODO: link to spec>">
      TODO: link to spec
    </a>
  </li>
  <li class="icon-list-item icon-list-item--link">
    <a href="/components/<ComponentName>/apidocs/Classes/<TODO: API name>.html">
      TODO: API name
    </a>
  </li>
</ul>

TODO: screenshot.png is made on iPhone 5 simulator
![TODO: ComponentName](docs/assets/screenshot.png)
<!--{: .article__asset.article__asset--screenshot }-->

- - -

## Installation

### Requirements

- Xcode 7.0 or higher.
- iOS SDK version 7.0 or higher.

### Installation with CocoaPods

To add this component to your Xcode project using CocoaPods, add the
following to your `Podfile`:

```
pod 'MaterialComponents/TODO: ComponentName'
```

Then, run the following command:

``` bash
pod install
```

- - -

## Overview

TODO *Optional section*. Provide a high level overview of the component here. This is a good
place to provide:

- comparisons with related UIKit APIs, and
- explanations of the overall component structure.



- - -

## Usage

TODO **Required section**. Provide essential integration steps here.

Remember that the audience for this section is someone completely new to using Material
components; don't assume or expect the reader to have read another component's README. At best
you can assume that the reader read the Quick Start guide.

### Additional information section

TODO **Recommended section**. These breakout sections are a perfect opportunity to talk about
edge case behaviors.

Code snippets

Every code snippet must provide both an Objective-C version and a Swift version. Consult the document on Supported Versions for information on which version of the Swift language to use when writing examples.

<!--<div class="material-code-render" markdown="1">-->
#### Objective-C
``` objc
- (void)viewDidLoad {
  [super viewDidLoad];

  ...

  // After all other views have been registered.
  MDCAppBarAddViews(self);
}
```

#### Swift
``` swift
override func viewDidLoad() {
  super.viewDidLoad()

  // After all other views have been registered.
  MDCAppBarAddViews(self)
}
```
<!--</div>-->