Add initial Django project structure with cleaning app

- Created .gitignore to exclude Python-generated files and virtual environments.
- Added .python-version to specify Python version 3.13.
- Implemented models for Client, Brigade, Service, Order, and CompletedWork.
- Created Django admin configurations for managing models.
- Added management command to seed the database with test data.
- Created initial migrations for the models.
- Developed views and templates for listing and detailing orders, clients, and brigades.
- Set up URL routing for the cleaning app.
- Configured Django settings and WSGI/ASGI entry points.
- Added basic test structure in tests.py.
- Included project metadata in pyproject.toml and uv.lock.

manage.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()