docs(readme): Updates the readme to match other readmes.

Author: ryasmi

readme.md

@@ -1,8 +1,32 @@
 # xAPI service
-> A server for xAPI
-
+[![NPM Package Version](https://badge.fury.io/js/xapi-service.svg)](https://www.npmjs.com/package/xapi-service)
 [![Build Status](https://travis-ci.org/LearningLocker/xapi-service.svg?branch=master)](https://travis-ci.org/LearningLocker/xapi-service)
+[![Greenkeeper badge](https://badges.greenkeeper.io/LearningLocker/xapi-service.svg)](https://greenkeeper.io/)
+[![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release)
+[![Join the chat at https://gitter.im/LearningLocker/learninglocker](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/LearningLocker/learninglocker?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Commitizen friendly](https://img.shields.io/badge/commitizen-friendly-brightgreen.svg)](http://commitizen.github.io/cz-cli/)
+
+*Learning Locker is a trademark of [HT2 Inc.](http://ht2labs.com)*
+
+### Installation
+To install all of Learning Locker, see the [installation documentation](http://docs.learninglocker.net/guides-installing/). To install just the xAPI service, you can follow the instructions below.
+
+1. Clone the repository `git clone [email protected]:LearningLocker/xapi-service.git`.
+1. Install dependencies `npm install`.
+1. Build the code `npm run build`.
+1. Run migrations `npm run migrate`.
+1. Start the server `npm start`.
+
+### Development
+1. Follow [the installation procedure](#installation).
+1. Make your changes to the "src" directory.
+1. Build the code `npm run build`.
+1. Test the code `npm run test-all`.
+1. Run the server `npm start`.
 
-*Learning Locker is copyright [HT2](http://ht2.co.uk)*
+### Docker
+You can use the steps below to install and run the xAPI service.
 
-Please see our [documentation](http://docs.learninglocker.net) for installation, configuration, and usage instructions.
+- Create a ".env" file using the ".env.example" file in this Github repository.
+- Pull the image from DockerHub `docker pull learninglocker/xapi-service:master`.
+- Run the image in a container `docker run -d -p 8080:80 --name xus --env-file .env learninglocker/xapi-service:master`.