feat: add abstract classes for controllers, facades, and service providers with unit tests

tests/Controllers/IndexControllerTest.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Siteworxpro\Tests\Controllers;
+
+use Siteworxpro\App\Controllers\IndexController;
+
+class IndexControllerTest extends AbstractController
+{
+    /**
+     * @throws \JsonException
+     */
+    public function testGet(): void
+    {
+        $this->assertTrue(true);
+
+        $controller = new IndexController();
+
+        $response = $controller->get($this->getMockRequest());
+
+        $this->assertEquals(200, $response->getStatusCode());
+        $this->assertEquals('{"status_code":200,"message":"Server is running"}', (string)$response->getBody());
+    }
+}