Use Facade instead of Alias (#29)

Author: marvinrabe

src/GraphQLPlaygroundServiceProvider.php

@@ -4,6 +4,7 @@
 
 namespace MLL\GraphQLPlayground;
 
+use Illuminate\Support\Facades\Route;
 use Illuminate\Support\ServiceProvider;
 
 class GraphQLPlaygroundServiceProvider extends ServiceProvider
@@ -32,10 +33,10 @@ public function boot()
             return;
         }
 
-        \Route::group(
+        Route::group(
             config('graphql-playground.route'),
             function (): void {
-                \Route::get(
+                Route::get(
                     config('graphql-playground.route_name', 'graphql-playground'),
                     GraphQLPlaygroundController::class.'@get'
                 )->name('graphql-playground');