Added README

README.md

@@ -5,5 +5,85 @@
 [![Latest Stable Version](https://poser.pugx.org/socialconnect/instagram/v/stable.svg)](https://packagist.org/packages/socialconnect/instagram)
 [![License](https://poser.pugx.org/SocialConnect/instagram/license.svg)](https://packagist.org/packages/socialconnect/instagram)
 
+Awesome SDK to work with Instagram social network.
 
-![Image](https://ga-beacon.appspot.com/UA-20503308-8/instagram?pixel)
+Installation
+------------
+
+Add a requirement to your `composer.json`:
+
+```json
+{
+    "require": {
+        "socialconnect/instagram": "~0.1"
+    }
+}
+```
+
+Run the composer installer:
+
+```bash
+php composer.phar install
+```
+
+How to use
+----------
+
+First you need to create service:
+
+```php
+// Your Instagram Application's settings
+$appId = 'appId';
+$appSecret = 'secret';
+
+$instagramClient = new \SocialConnect\Instagram\Client($appId, $appSecret);
+$instagramClient->setHttpClient(new \SocialConnect\Common\Http\Client\Curl());
+```
+
+## Get user with specified $id:
+
+```php
+$instagramClient = $instagramClient->getUser(715473058);
+var_dump($user);
+```
+
+## Get self information:
+
+```php
+$instagramClient = $instagramClient->getUser();
+var_dump($user);
+```
+
+
+## Customs methods
+
+```php
+$parameters = [];
+$result = $instagramClient->request('method/CustomMethod', $parameters);
+if ($result) {
+    var_dump($result);
+}
+```
+
+## Custom entities
+
+```php
+class MyUserEntitiy extends \SocialConnect\Instagram\Entity\User {
+    public function myOwnMethod()
+    {
+        //do something
+    }
+}
+
+$instagramClient->getEntityUser(new MyUserEntitiy());
+$user = $instagramClient->getUser(1);
+
+if ($user) {
+    $instagramClient->myOwnMethod();
+}
+```
+
+License
+-------
+
+This project is open-sourced software licensed under the MIT License. See the LICENSE file for more information.