Readme: add example

README.md

@@ -29,6 +29,9 @@ extensions:
 
 ```
 
+Extension looks for all commands extending from `Contributte\Console\Command\BaseCommand`. And automatically adds them to the console application. 
+That's all. You don't have to be worried.
+
 ## Configuration
 
 ### URL address
@@ -40,6 +43,39 @@ console:
     url: www.example.com
 ```
 
+## Example
+
+```php
+use Contributte\Console\Command\BaseCommand;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+final class FooCommand extends BaseCommand
+{
+
+	/**
+	 * Configure command
+	 *
+	 * @return void
+	 */
+	protected function configure()
+	{
+		$this->setName('foo');
+	}
+
+	/**
+	 * @param InputInterface $input
+	 * @param OutputInterface $output
+	 * @return void
+	 */
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		// Some magic..
+	}
+
+}
+```
+
 -----
 
 Thank you for testing, reporting and contributing.

tests/fixtures/FooCommand.php

@@ -3,6 +3,8 @@
 namespace Tests\Fixtures;
 
 use Contributte\Console\Command\BaseCommand;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
 
 /**
  * @author Milan Felix Sulc <sulcmil@gmail.com>
@@ -20,4 +22,14 @@ protected function configure()
 		$this->setName('foo');
 	}
 
+	/**
+	 * @param InputInterface $input
+	 * @param OutputInterface $output
+	 * @return void
+	 */
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		// Some magic..
+	}
+
 }