Update database.php

Author: dyanakiev

config/database.php

@@ -40,7 +40,7 @@
             'password' => env('DB_PASSWORD', ''),
             'charset' => 'utf8mb4',
             'collation' => 'utf8mb4_unicode_ci',
-            'prefix' => '',
+            'prefix' => env('DB_PREFIX', ''),
             'strict' => env('DB_STRICT_MODE', false),
         ],
     ],