- implement domains.forms.relative_domain_validator - use the validator for domain field validation in domains.forms.CreateHostingDomainForm - use the validator for subdomain field validation in websites.forms.AddWebsiteForm
- 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
