Fixes readme formatting

README.md

@@ -4,16 +4,20 @@ Simple routing library for web applications.
 # Usage
 
 1. Require kavalanche/security
-```bash
+    
+    ```bash
     composer require kavalanche/security
-```
+    ```
 
 2. Create `Router` instance.
-```php
+
+    ```php
     $router = new \Kavalanche\Router\Router();
-```
+    ```
+
 3. Add your routes.
-```php
+
+    ```php
     $router->get('/', function() {
         echo 'Start';
     });
@@ -27,9 +31,10 @@ Simple routing library for web applications.
     $controller = new Kavalanche\Router\TestController();
 
     $router->get('/test/post/(\d+)', [$controller, 'post']);
-```
+    ```
 
 4. Invoke `dispatch` method.
-```php
+
+    ```php
     $router->dispatch();
-```
+    ```