Apply fixes from StyleCI

assets/config.php

@@ -10,10 +10,10 @@ return [
     'id_generator' => Stancl\Tenancy\UUIDGenerator::class,
 
     'domain_model' => Domain::class,
-    
+
     /**
      * The list of domains hosting your central app.
-     * 
+     *
      * Only relevant if you're using the domain or subdomain identification middleware.
      */
     'central_domains' => [

src/Database/Concerns/EnsuresDomainIsNotOccupied.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Stancl\Tenancy\Database\Concerns;
 
 use Stancl\Tenancy\Exceptions\DomainOccupiedByOtherTenantException;

src/Database/Concerns/HasInternalKeys.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Stancl\Tenancy\Database\Concerns;
 
 trait HasInternalKeys
@@ -29,4 +31,4 @@ trait HasInternalKeys
 
         return $this;
     }
-}
+}

src/Database/Concerns/TenantRun.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Stancl\Tenancy\Database\Concerns;
 
 use Stancl\Tenancy\Contracts\Tenant;
@@ -9,7 +11,6 @@ trait TenantRun
     public function run(callable $callback)
     {
         /** @var Tenant $this */
-
         $originalTenant = tenant();
 
         tenancy()->initialize($this);