readme update

Author: antonkorotkov

README.md

@@ -1,2 +1,32 @@
 # zoom-api-php-client
 Zoom.us API v2 client for PHP
+
+### Installation
+
+Add the following repository source to your composer.json:
+
+```
+{
+      "type": "composer",
+      "url": "https://repository.usabilitydynamics.com"
+}
+```
+
+Require via composer:
+
+```
+composer require usabilitydynamics/zoom-api-php-client:1.0.0
+```
+
+Initialize:
+
+```
+use UDX\Zoom\Zoom;
+$zoom = new Zoom( <api_key>, <secret_key> );
+```
+
+Use:
+
+```
+$meetings = $zoom->meetings->list( <user_id> );
+```