update readme

Author: Milad Rahimi

.DS_Store

@@ -76,22 +76,22 @@ use MiladRahimi\PhpRouter\Router;
 $router = new Router();
 
 $router
-		->get('/', function () {
-  			return '<b>GET method</b>';
-		});
-		->post('/', function () {
-  			return '<b>POST method</b>';
-		});
-		->patch('/', function () {
-    		return '<b>PATCH method</b>';
-		});
-		->put('/', function () {
-    		return '<b>PUT method</b>';
-		});
-		->delete('/', function () {
-    		return '<b>DELETE method</b>';
-		})
-		->dispatch();
+    ->get('/', function () {
+        return '<b>GET method</b>';
+    });
+	->post('/', function () {
+		return '<b>POST method</b>';
+	});
+	->patch('/', function () {
+        return '<b>PATCH method</b>';
+	});
+	->put('/', function () {
+		return '<b>PUT method</b>';
+	});
+	->delete('/', function () {
+		return '<b>DELETE method</b>';
+	})
+	->dispatch();
 ```
 
 You may want to use your custom http methods so take look at this example: