feat: enhance service providers with provides method and integrate command bus in handlers

tests/Controllers/IndexControllerTest.php

@@ -4,23 +4,31 @@ declare(strict_types=1);
 
 namespace Siteworxpro\Tests\Controllers;
 
+use League\Tactician\CommandBus;
 use Siteworxpro\App\Controllers\IndexController;
 
 class IndexControllerTest extends AbstractController
 {
     /**
-     * @throws \JsonException
+     * @throws \JsonException|\ReflectionException
      */
     public function testGet(): void
     {
         $this->assertTrue(true);
 
+        $this->getContainer()->bind(CommandBus::class, function () {
+            return \Mockery::mock(CommandBus::class)
+                ->shouldReceive('handle')
+                ->andReturn('Hello World')
+                ->getMock();
+        });
+
         $controller = new IndexController();
 
         $response = $controller->get($this->getMockRequest());
 
         $this->assertEquals(200, $response->getStatusCode());
-        $this->assertEquals('{"message":"Server is running"}', (string)$response->getBody());
+        $this->assertEquals('{"message":"Server is running. Hello World"}', (string)$response->getBody());
     }
 
     /**