Add basic YAML wrapper singleton

app/Providers/YamlServiceProvider.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Providers;
+
+use Illuminate\Contracts\Support\DeferrableProvider;
+use Illuminate\Support\ServiceProvider;
+use App\Yaml;
+
+class YamlServiceProvider extends ServiceProvider implements DeferrableProvider
+{
+	/**
+	 * Register application services.
+	 *
+	 * @return void
+	 */
+	public function register()
+	{
+		$this->app->singleton(Yaml::class, static function($app) {
+			return new Yaml();
+		});
+	}
+
+	/**
+	 * Get the services provided by this provider.
+	 *
+	 * @return string[]
+	 */
+	public function provides()
+	{
+		return [Yaml::class];
+	}
+}

app/Util/Yaml.php

@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Util;
+
+class Yaml
+{
+}