Installation

• Extract the extension folder to extensions/Pleesher/

• Add the following line to LocalSettings.php:

  wfLoadExtension( 'Pleesher' );

• Add the following to your composer.local.json:

{
    "extra": {
        "merge-plugin": {
            "include": [
                "extensions/Pleesher/composer.json"
            ]
        }
    }
}

• run the MediaWiki update script in maintenance/update.php