docs: add examples

Author: xchopin

README.md

@@ -1,5 +1,36 @@
 # OpenLRW - PHP Api Client
 
+> The easier way to implement OpenLRW into your PHP applications
+
+<p align="center">
+<img src="https://scrutinizer-ci.com/g/Apereo-Learning-Analytics-Initiative/OpenLRW-php-api-client/badges/quality-score.png?b=master" title="Scrutinizer Code Quality">
+<img src="https://poser.pugx.org/openlrw/api-client/v/stable" alt="stable version">
+<img src="https://poser.pugx.org/openlrw/api-client/downloads" alt="downloads counter">
+</p>
+
+## Requirements
+
+## Install
+`$ composer require openlrw/api-client`
+
+
+## Usage
+
+#### Initialize the client
+```php
+use OpenLRW\OpenLRW;
+
+$client = new OpenLRW(URL, KEY, PASSWORD);
+```
+
+#### Check if the server is up
+```php
+
+$isUp = OpeLRW::isUp();
+// or
+$isUp = $client::isUp();
+```
+
 
 ## Execute tests