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

frontend/src/assets/styles/globals.css

@@ -0,0 +1,23 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  html {
+    font-family: 'Inter', system-ui, sans-serif;
+  }
+}
+
+@layer components {
+  .btn {
+    @apply px-4 py-2 rounded-md font-medium focus:outline-none focus:ring-2 focus:ring-offset-2;
+  }
+  
+  .btn-primary {
+    @apply btn bg-primary-600 text-white hover:bg-primary-700 focus:ring-primary-500;
+  }
+  
+  .btn-secondary {
+    @apply btn bg-gray-200 text-gray-900 hover:bg-gray-300 focus:ring-gray-500;
+  }
+}