use BookStack\Auth\Permissions\PermissionService;
use BookStack\Theming\ThemeService;
use BookStack\Uploads\ImageService;
use BookStack\Auth\Permissions\PermissionService;
use BookStack\Theming\ThemeService;
use BookStack\Uploads\ImageService;
public function register()
{
$this->app->singleton('activity', function () {
public function register()
{
$this->app->singleton('activity', function () {