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/tsconfig.node.json

@@ -0,0 +1,12 @@
+{
+    "compilerOptions": {
+        "composite": true,
+        "skipLibCheck": true,
+        "module": "ESNext",
+        "moduleResolution": "bundler",
+        "allowSyntheticDefaultImports": true
+    },
+    "include": [
+        "vite.config.ts"
+    ]
+}