Update README.md

README.md

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 # codeigniter-rest-api
 PHP codeigniter rest api 
+
+# Setup
+1. Step One
+  * Copy "REST_Controller.php" and "Format.php" to "\application\libraries" Folder
+  * Replace your "language" Folder
+  * Copy "API" Folder into "controllers"
+
+2. Step Two
+  * Open Postmen 
+  * Try Get Request "index.php/api/example/users" 
+  ```JSON
+  "[
+    {
+        "id": 1,
+        "name": "John",
+        "email": "[email protected]",
+        "fact": "Loves coding"
+    },
+    {
+        "id": 2,
+        "name": "Jim",
+        "email": "[email protected]",
+        "fact": "Developed on CodeIgniter"
+    },
+    {
+        "id": 3,
+        "name": "Jane",
+        "email": "[email protected]",
+        "fact": "Lives in the USA",
+        "hobbies": [
+            "guitar",
+            "cycling"
+        ]
+    }
+]
+```
+  ### Enjoy !!!