after installing the development version of shopware 6, I'v got the following error in browser (http://localhost/development/public/):
Fatal error: Uncaught Symfony\Component\Dotenv\Exception\PathException: Unable to read the "opt/lampp/htdocs/development/public/../.env" environment file.
$ git clone https://github.com/shopware/development.git
$ cd development/
$ composer install
$sudo apt-get install php7.2-intl
OS: linux mint 19, xampp7.3
thanks ahead foe your suggestions