Add pre-package-uninstall script to composer.json

Author: pushpak1300

composer.json

@@ -73,6 +73,9 @@
             "@php artisan key:generate --ansi",
             "@php -r \"file_exists('database/database.sqlite') || touch('database/database.sqlite');\"",
             "@php artisan migrate --graceful --ansi"
+        ],
+        "pre-package-uninstall": [
+            "Illuminate\\Foundation\\ComposerScripts::prePackageUninstall"
         ]
     },
     "extra": {