Add installation and development instructions

Author: porada

README.md

@@ -2,6 +2,14 @@
 
 > Angular.js filter for ordering collections by [semantic version number](http://semver.org).
 
+## Installation
+
+```sh
+bower install angular-semver-sort
+```
+
+If you’re building a Rails app, you can easily use it with [Rails Assets](https://rails-assets.org)—this package is available as `rails-assets-angular-semver-sort`.
+
 ## Usage
 
 ### semverSort()
@@ -20,6 +28,17 @@
 </ol>
 ```
 
+## Development
+
+Clone the repository, then:
+
+```sh
+npm install
+
+grunt
+grunt test
+```
+
 ## Credits
 
 The filter is **includes** the browser build of [node-semver](https://github.com/isaacs/node-semver), the BSD-licensed semver parser created by Isaac Z. Schlueter.