Add `Red_Panda_Standards_Django_V1-01.md` which extends the main Red
Panda Standards with Django-specific conventions covering:
- Environment setup and pyproject.toml build backend (setuptools)
- Dependency pinning strategy (floor pin with ceiling)
- Project directory structure
- Settings, environment variable, and database configuration patterns
- Code organization, model, view, URL, and serializer conventions
- Authentication, permissions, and API design guidelines
- Testing standards and Docker/deployment practices
