Docs: Add usage & flags (closes #38)

Author: phated

README.md

@@ -4,10 +4,105 @@
   </a>
 </p>
 
-# gulp-cli [![NPM version][npm-image]][npm-url] [![Downloads][downloads-image]][npm-url] [![Support us][gittip-image]][gittip-url] [![Build Status][travis-image]][travis-url] [![Coveralls Status][coveralls-image]][coveralls-url]
-> The streaming build system
+# gulp-cli
 
-[![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/wearefractal/gulp/trend.png)](https://bitdeli.com/free "Bitdeli Badge")
+[![NPM version][npm-image]][npm-url] [![Downloads][downloads-image]][npm-url] [![Build Status][travis-image]][travis-url] [![Coveralls Status][coveralls-image]][coveralls-url] [![Gitter chat][gitter-image]][gitter-url]
+
+Command Line Utility for Gulp
+
+## Usage
+
+```bash
+> gulp [options] tasks
+```
+
+## Options
+
+<table>
+  <thead>
+    <tr>
+      <th width="25%">Flag</th>
+      <th width="15%">Short Flag</th>
+      <th>Description</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <td>--help</td>
+      <td>-h</td>
+      <td>Show this help.</td>
+    </tr>
+    <tr>
+      <td>--version</td>
+      <td>-v</td>
+      <td>Print the global and local gulp versions.</td>
+    </tr>
+    <tr>
+      <td>--require [path]</td>
+      <td></td>
+      <td>Will require a module before running the gulpfile. This is useful for transpilers but also has other applications.</td>
+    </tr>
+    <tr>
+      <td>--gulpfile [path]</td>
+      <td></td>
+      <td>Manually set path of gulpfile. Useful if you have multiple gulpfiles. This will set the CWD to the gulpfile directory as well.</td>
+    </tr>
+    <tr>
+      <td>--cwd [path]</td>
+      <td></td>
+      <td>Manually set the CWD. The search for the gulpfile, as well as the relativity of all requires will be from here.</td>
+    </tr>
+    <tr>
+      <td>--verify</td>
+      <td></td>
+      <td>Will verify plugins referenced in project's package.json against the plugins blacklist.</td>
+    </tr>
+    <tr>
+      <td>--tasks</td>
+      <td>-T</td>
+      <td>Print the task dependency tree for the loaded gulpfile.</td>
+    </tr>
+    <tr>
+      <td>--tasks-simple</td>
+      <td></td>
+      <td>Print a plaintext list of tasks for the loaded gulpfile.</td>
+    </tr>
+    <tr>
+      <td>--tasks-json [path]</td>
+      <td></td>
+      <td>Print the task dependency tree, in JSON format, for the loaded gulpfile. The [path] argument is optional, and if given writes the JSON to the path.</td>
+    </tr>
+    <tr>
+      <td>--color</td>
+      <td></td>
+      <td>Will force gulp and gulp plugins to display colors, even when no color support is detected.</td>
+    </tr>
+    <tr>
+      <td>--no-color</td>
+      <td></td>
+      <td>Will force gulp and gulp plugins to not display colors, even when color support is detected.</td>
+    </tr>
+    <tr>
+      <td>--silent</td>
+      <td>-S</td>
+      <td>Suppress all gulp logging.</td>
+    </tr>
+    <tr>
+      <td>--continue</td>
+      <td></td>
+      <td>Continue execution of tasks upon failure.</td>
+    </tr>
+    <tr>
+      <td>--log-level</td>
+      <td>-L</td>
+      <td>Set the loglevel. -L for least verbose and -LLLL for most verbose. -LLL is default.</td>
+    </tr>
+  </tbody>
+</table>
+
+## License
+
+MIT
 
 [gittip-url]: https://www.gittip.com/WeAreFractal/
 [gittip-image]: http://img.shields.io/gittip/WeAreFractal.svg
@@ -21,3 +116,6 @@
 
 [coveralls-url]: https://coveralls.io/r/gulpjs/gulp-cli
 [coveralls-image]: http://img.shields.io/coveralls/gulpjs/gulp-cli/master.svg
+
+[gitter-url]: https://gitter.im/gulpjs/gulp
+[gitter-image]: https://badges.gitter.im/gulpjs/gulp.png