implement adding websites

- 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

gnuviechadmin/templates/websites/website_create.html

@@ -0,0 +1,30 @@
+{% extends "websites/base.html" %}
+{% load i18n crispy_forms_tags %}
+
+{% block title %}{{ block.super }} - {% spaceless %}
+{% if user == customer %}
+{% blocktrans with domain=domain.domain %}Add Website for Subdomain of {{ domain }}{% endblocktrans %}
+{% else %}
+{% blocktrans with domain=domain.domain full_name=customer.get_full_name %}Add Website for Subdomain of Domain {{ domain }} of Customer {{ full_name }}{% endblocktrans %}
+{% endif %}
+{% endspaceless %}{% endblock title %}
+
+{% block page_title %}{% spaceless %}
+{% if user == customer %}
+{% blocktrans with domain=domain.domain %}Add Website <small>for Subdomain of {{ domain }}</small>{% endblocktrans %}
+{% else %}
+{% blocktrans with domain=domain.domain full_name=customer.get_full_name %}Add Website <small>for Subdomain of Domain {{ domain }} of Customer {{ full_name }}</small>{% endblocktrans %}
+{% endif %}
+{% endspaceless %}{% endblock page_title %}
+
+{% block content %}
+{% crispy form %}
+{% endblock %}
+
+{% block extra_js %}
+<script type="text/javascript">
+$(document).ready(function() {
+  $('input[type=text]').first().focus();
+});
+</script>
+{% endblock extra_js %}