add example

README.md

@@ -1 +1,29 @@
 Mirror taobao api official package
+
+Installation
+------------
+
+php composer.phar composer require latik/taobao-sdk
+
+Usage
+-----
+
+Once the library is installed, simply use it in your code by:
+
+```php
+<?php
+
+require_once __DIR__ .'/vendor/autoload.php';
+
+$topClient = new TopClient();
+$topClient->appkey = '..';
+$topClient->secretKey = '..';
+var_dump($topClient);
+$itemReq = new ItemGetRequest();
+$itemReq->setFields("detail_url,nick,props_name,num_iid,title,num_iid,input_str,pic_url,location,price,item_img,prop_img");
+$itemReq->setNumIid(123456); // id good
+
+$objResult = $topClient->execute($itemReq);
+
+?>
+```

composer.json

@@ -1,12 +1,15 @@
 {
     "name": "latik/taobao-sdk",
     "description": "Mirror taobao api official package",
+    "keywords": ["taobao", "api", "top", "sdk"],
     "authors": [
         {
             "name": "Latik",
             "email": "[email protected]"
         }
     ],
+    "type": "library",
+    "license": "MIT",
     "require": {
         "php": ">= 5.2.0",
         "ext-curl": "*"