feat: complete monorepo structure with frontend and shared resources

- Add complete backend/ directory with full Django application
- Add frontend/ directory with Vite + TypeScript setup ready for Next.js
- Add comprehensive shared/ directory with:
  - Complete documentation and memory-bank archives
  - Media files and avatars (letters, park/ride images)
  - Deployment scripts and automation tools
  - Shared types and utilities
- Add architecture/ directory with migration guides
- Configure pnpm workspace for monorepo development
- Update .gitignore to exclude .django_tailwind_cli/ build artifacts
- Preserve all historical documentation in shared/docs/memory-bank/
- Set up proper structure for full-stack development with shared resources

backend/apps/moderation/context_processors.py

@@ -0,0 +1,24 @@
+def moderation_access(request):
+    """Add moderation access check to template context"""
+    context = {
+        "has_moderation_access": False,
+        "has_admin_access": False,
+        "has_superuser_access": False,
+        "user_role": None,
+    }
+
+    if request.user.is_authenticated:
+        context["user_role"] = request.user.role
+        # Check both role-based and Django's built-in superuser status
+        context["has_moderation_access"] = (
+            request.user.role in ["MODERATOR", "ADMIN", "SUPERUSER"]
+            or request.user.is_superuser
+        )
+        context["has_admin_access"] = (
+            request.user.role in ["ADMIN", "SUPERUSER"] or request.user.is_superuser
+        )
+        context["has_superuser_access"] = (
+            request.user.role == "SUPERUSER" or request.user.is_superuser
+        )
+
+    return context