feat: migrate from Element Plus to Ant Design Vue and update Vite configuration for better dependency management

- Updated Vite configuration to manually chunk Ant Design Vue for improved dependency management.
- Added a comprehensive migration testing checklist for transitioning from Element Plus 2.13.0 to Ant Design Vue 4.x, covering various components and functionalities.

frontend/package.json

@@ -9,9 +9,9 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "@element-plus/icons-vue": "^2.3.2",
+    "@ant-design/icons-vue": "^7.0.1",
+    "ant-design-vue": "^4.2.6",
     "axios": "^1.13.2",
-    "element-plus": "^2.13.0",
     "pinia": "^3.0.4",
     "vue": "^3.5.24",
     "vue-router": "^4.6.4"