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/templates/rides/partials/designer_created.html

@@ -0,0 +1,26 @@
+{% if error %}
+    <div class="p-4 mb-4 text-sm text-red-700 bg-red-100 rounded-lg dark:bg-red-200 dark:text-red-800" role="alert">
+        {{ error }}
+    </div>
+{% else %}
+    <div class="p-4 mb-4 text-sm text-green-700 bg-green-100 rounded-lg dark:bg-green-200 dark:text-green-800" role="alert">
+        {% if designer.id %}
+            Designer "{{ designer.name }}" has been created successfully.
+            <script>
+                // Update the designer field in the parent form
+                selectDesigner('{{ designer.id }}', '{{ designer.name }}');
+                // Close the modal
+                document.dispatchEvent(new CustomEvent('close-designer-modal'));
+            </script>
+        {% else %}
+            Your designer submission "{{ designer.name }}" has been sent for review.
+            You will be notified when it is approved.
+            <script>
+                // Close the modal after a short delay
+                setTimeout(() => {
+                    document.dispatchEvent(new CustomEvent('close-designer-modal'));
+                }, 2000);
+            </script>
+        {% endif %}
+    </div>
+{% endif %}