Implement Django backend and Vue frontend structure

- Django backend with projects, templates, exports apps
- SQLite database models for Project, Asset, CardLayer
- REST API endpoints for project management
- Vue frontend with Vite, Element Plus, Fabric.js
- Home page for project selection
- Editor page with Fabric.js canvas integration

frontend/package.json

@@ -0,0 +1,23 @@
+{
+  "name": "poker-design-frontend",
+  "version": "1.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "vue": "^3.4.21",
+    "vue-router": "^4.3.0",
+    "pinia": "^2.1.7",
+    "element-plus": "^2.5.6",
+    "axios": "^1.6.7",
+    "fabric": "^6.4.3"
+  },
+  "devDependencies": {
+    "@vitejs/plugin-vue": "^5.0.4",
+    "vite": "^5.1.6",
+    "sass": "^1.72.0"
+  }
+}