add > to every line for blockquote

Author: samsonasik

doc/book/quick-start.md

@@ -114,9 +114,9 @@ classes for you to start with:
   `Zend\Console\Adapter\AdapterInterface` instance, and ensuring that execution
   fails in non-console environments.
 > To use it, you need to install zend-mvc-console via
-```bash
-composer require zendframework/zend-mvc-console 
-```
+> ```bash
+> composer require zendframework/zend-mvc-console
+> ```
 
 To get started, we'll create a "hello world"-style controller, with a single
 action. First, create the file `HelloController.php` in the directory