feat: major project restructure - move Django to backend dir and fix critical imports

- Restructure project: moved Django backend to backend/ directory
- Add frontend/ directory for future Next.js application
- Add shared/ directory for common resources
- Fix critical Django import errors:
  - Add missing sys.path modification for apps directory
  - Fix undefined CATEGORY_CHOICES imports in rides module
  - Fix media migration undefined references
  - Remove unused imports and f-strings without placeholders
- Install missing django-environ dependency
- Django server now runs without ModuleNotFoundError
- Update .gitignore and README for new structure
- Add pnpm workspace configuration for monorepo setup

config/django/production.py

@@ -1,103 +0,0 @@
-"""
-Production settings for thrillwiki project.
-"""
-
-# Import the module and use its members, e.g., base.BASE_DIR, base***REMOVED***
-from . import base
-
-# Import the module and use its members, e.g., database.DATABASES
-
-# Import the module and use its members, e.g., email.EMAIL_HOST
-
-# Import the module and use its members, e.g., security.SECURE_HSTS_SECONDS
-
-# Import the module and use its members, e.g., email.EMAIL_HOST
-
-# Import the module and use its members, e.g., security.SECURE_HSTS_SECONDS
-
-# Production settings
-DEBUG = False
-
-# Allowed hosts must be explicitly set in production
-ALLOWED_HOSTS = base.env.list("ALLOWED_HOSTS")
-
-# CSRF trusted origins for production
-CSRF_TRUSTED_ORIGINS = base.env.list("CSRF_TRUSTED_ORIGINS")
-
-# Security settings for production
-SECURE_SSL_REDIRECT = True
-SESSION_COOKIE_SECURE = True
-CSRF_COOKIE_SECURE = True
-SECURE_HSTS_SECONDS = 31536000  # 1 year
-SECURE_HSTS_INCLUDE_SUBDOMAINS = True
-SECURE_HSTS_PRELOAD = True
-
-# Production logging
-LOGGING = {
-    "version": 1,
-    "disable_existing_loggers": False,
-    "formatters": {
-        "verbose": {
-            "format": "{levelname} {asctime} {module} {process:d} {thread:d} {message}",
-            "style": "{",
-        },
-        "simple": {
-            "format": "{levelname} {message}",
-            "style": "{",
-        },
-    },
-    "handlers": {
-        "file": {
-            "level": "INFO",
-            "class": "logging.handlers.RotatingFileHandler",
-            "filename": base.BASE_DIR / "logs" / "django.log",
-            "maxBytes": 1024 * 1024 * 15,  # 15MB
-            "backupCount": 10,
-            "formatter": "verbose",
-        },
-        "error_file": {
-            "level": "ERROR",
-            "class": "logging.handlers.RotatingFileHandler",
-            "filename": base.BASE_DIR / "logs" / "django_error.log",
-            "maxBytes": 1024 * 1024 * 15,  # 15MB
-            "backupCount": 10,
-            "formatter": "verbose",
-        },
-    },
-    "root": {
-        "handlers": ["file"],
-        "level": "INFO",
-    },
-    "loggers": {
-        "django": {
-            "handlers": ["file", "error_file"],
-            "level": "INFO",
-            "propagate": False,
-        },
-        "thrillwiki": {
-            "handlers": ["file", "error_file"],
-            "level": "INFO",
-            "propagate": False,
-        },
-    },
-}
-
-# Static files collection for production
-STATICFILES_STORAGE = "whitenoise.storage.CompressedManifestStaticFilesStorage"
-
-# Cache settings for production (Redis recommended)
-redis_url = base.env.str("REDIS_URL", default=None)
-if redis_url:
-    CACHES = {
-        "default": {
-            "BACKEND": "django_redis.cache.RedisCache",
-            "LOCATION": redis_url,
-            "OPTIONS": {
-                "CLIENT_CLASS": "django_redis.client.DefaultClient",
-            },
-        }
-    }
-
-    # Use Redis for sessions in production
-    SESSION_ENGINE = "django.contrib.sessions.backends.cache"
-    SESSION_CACHE_ALIAS = "default"