Problems with composer install

When we create a project, the problem is that the them does not yet exist and hence the postInstallCommand fails.

When a theme is there and we deploy that to a new host, then npm install is not being called. => lakedrops/theme-d8-sass#2

The files settings.php and settings.local.php are only required for development.

More settings we need for development:

• files and config directories should be owned by www-data:www-data and writable by user and group