feat: add event dispatcher destructor and implement subscriber interface with tests (#23)

Reviewed-on: #23
Co-authored-by: Ron Rise <ron@siteworxpro.com>
Co-committed-by: Ron Rise <ron@siteworxpro.com>

tests/ServiceProviders/DispatcherServiceProviderTest.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Siteworxpro\Tests\ServiceProviders;
+
+use Siteworxpro\App\Services\ServiceProviders\DispatcherServiceProvider;
+
+class DispatcherServiceProviderTest extends AbstractServiceProvider
+{
+    protected function getProviderClass(): string
+    {
+        return DispatcherServiceProvider::class;
+    }
+}