Create @module() blade directive.

## Usage
```blade
@module('blog')
<p>Blog module exists!</p>
@endmodule
```

Author: solomon-ochepa

src/LaravelModulesServiceProvider.php

@@ -7,6 +7,7 @@
 use Illuminate\Database\Migrations\Migrator;
 use Illuminate\Filesystem\Filesystem;
 use Illuminate\Foundation\Console\AboutCommand;
+use Illuminate\Support\Facades\Blade;
 use Illuminate\Translation\Translator;
 use Nwidart\Modules\Contracts\ActivatorInterface;
 use Nwidart\Modules\Contracts\RepositoryInterface;
@@ -52,6 +53,11 @@ public function register()
         $this->registerTranslations();
 
         $this->mergeConfigFrom(__DIR__.'/../config/config.php', 'modules');
+
+        // Create @module() blade directive.
+        Blade::if('module', function (string $name) {
+            return module($name, true);
+        });
     }
 
     /**