Add operators and property owners functionality

- Implemented OperatorListView and OperatorDetailView for managing operators.
- Created corresponding templates for operator listing and detail views.
- Added PropertyOwnerListView and PropertyOwnerDetailView for managing property owners.
- Developed templates for property owner listing and detail views.
- Established relationships between parks and operators, and parks and property owners in the models.
- Created migrations to reflect the new relationships and fields in the database.
- Added admin interfaces for PropertyOwner management.
- Implemented tests for operators and property owners.

parks/forms.py

@@ -24,7 +24,7 @@ class ParkAutocomplete(BaseAutocomplete):
         """Return search results with related data."""
         return (get_base_park_queryset()
                 .filter(name__icontains=search)
-                .select_related('owner')
+                .select_related('operator', 'property_owner')
                 .order_by('name'))
     
     def format_result(self, park):
@@ -117,7 +117,8 @@ class ParkForm(forms.ModelForm):
         fields = [
             "name",
             "description",
-            "owner",
+            "operator",
+            "property_owner",
             "status",
             "opening_date",
             "closing_date",
@@ -145,7 +146,12 @@ class ParkForm(forms.ModelForm):
                     "rows": 2,
                 }
             ),
-            "owner": forms.Select(
+            "operator": forms.Select(
+                attrs={
+                    "class": "w-full border-gray-300 rounded-lg form-select dark:border-gray-600 dark:bg-gray-700 dark:text-white"
+                }
+            ),
+            "property_owner": forms.Select(
                 attrs={
                     "class": "w-full border-gray-300 rounded-lg form-select dark:border-gray-600 dark:bg-gray-700 dark:text-white"
                 }