Add comprehensive tests for Parks API and models

- Implemented extensive test cases for the Parks API, covering endpoints for listing, retrieving, creating, updating, and deleting parks.
- Added tests for filtering, searching, and ordering parks in the API.
- Created tests for error handling in the API, including malformed JSON and unsupported methods.
- Developed model tests for Park, ParkArea, Company, and ParkReview models, ensuring validation and constraints are enforced.
- Introduced utility mixins for API and model testing to streamline assertions and enhance test readability.
- Included integration tests to validate complete workflows involving park creation, retrieval, updating, and deletion.

config/settings/email.py

@@ -0,0 +1,19 @@
+"""
+Email configuration for thrillwiki project.
+"""
+
+import environ
+
+env = environ.Env()
+
+# Email settings
+EMAIL_BACKEND = env('EMAIL_BACKEND', default='email_service.backends.ForwardEmailBackend')
+FORWARD_EMAIL_BASE_URL = env('FORWARD_EMAIL_BASE_URL', default='https://api.forwardemail.net')
+SERVER_EMAIL = env('SERVER_EMAIL', default='django_webmaster@thrillwiki.com')
+
+# Email URLs can be configured using EMAIL_URL environment variable
+# Example: EMAIL_URL=smtp://user:pass@localhost:587
+if env('EMAIL_URL', default=None):
+    email_config = env.email_url()
+    vars().update(email_config)
+