- implement save method and let it call these tasks: - create_web_php_fpm_pool_config if the user has no website yet - create_file_website_hierarchy - create_web_vhost_config - enable_web_vhost
- implement websites.models.Website - add migration - implement websites.views.AddWebsite - implement websites.forms.AddWebsiteForm - define URL pattern 'add_website' in websites.urls - register Website model in websites.admin - add templates websites/base.html and websites/website_create.html - add german translation for new strings - add website URLs to gnuviechadmin.urls - add websites to INSTALLED_APPS - add changelog entry