phase1: bootstrap containerized django stack and project scaffold

.env.example

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+# Django
+DJANGO_SETTINGS_MODULE=config.settings.development
+DJANGO_SECRET_KEY=change-me-in-production
+DJANGO_DEBUG=1
+DJANGO_ALLOWED_HOSTS=localhost,127.0.0.1
+DJANGO_CSRF_TRUSTED_ORIGINS=http://localhost,http://127.0.0.1
+DJANGO_TIME_ZONE=UTC
+DJANGO_SUPERUSER_USERNAME=admin
+DJANGO_SUPERUSER_EMAIL=admin@example.com
+DJANGO_SUPERUSER_PASSWORD=adminpass
+
+# Database (PostgreSQL only)
+POSTGRES_DB=hoopscout
+POSTGRES_USER=hoopscout
+POSTGRES_PASSWORD=hoopscout
+POSTGRES_HOST=postgres
+POSTGRES_PORT=5432
+
+# Redis / Celery
+REDIS_HOST=redis
+REDIS_PORT=6379
+REDIS_DB=0
+CELERY_BROKER_URL=redis://redis:6379/0
+CELERY_RESULT_BACKEND=redis://redis:6379/0
+
+# Runtime behavior
+AUTO_APPLY_MIGRATIONS=1
+AUTO_COLLECTSTATIC=1
+GUNICORN_WORKERS=3