feat(user): Add user settings panel

!11 closes #28

app/settings/views/user_settings.py

@@ -0,0 +1,49 @@
+
+from django.core.exceptions import PermissionDenied
+from django.urls import reverse
+from django.views import generic
+
+from access.mixin import OrganizationPermission
+
+from settings.models.user_settings import UserSettings
+
+
+
+class View(generic.UpdateView):
+
+    context_object_name = "settings"
+
+    fields = [
+        'default_organization',
+    ]
+
+    model = UserSettings
+
+    template_name = 'form.html.j2'
+
+
+    def form_valid(self, form):
+
+        if self.object.is_owner(self.request.user):
+
+            return super().form_valid(form)
+
+        raise PermissionDenied()
+
+
+    def get_success_url(self, **kwargs):
+
+        return reverse('_settings_user', args=(self.kwargs['pk'],))
+
+
+    def get_context_data(self, **kwargs):
+
+        if self.object.is_owner(self.request.user):
+
+            context = super().get_context_data(**kwargs)
+
+            context['content_title'] = 'User Settings'
+
+            return context
+        
+        raise PermissionDenied()