Feature: Add rollup-plugin-visualizer and update Vite configuration.

Author: rickvia

package-lock.json

@@ -27,6 +27,7 @@
     "less": "^4.2.0",
     "less-loader": "^12.2.0",
     "prettier": "^3.3.3",
+    "rollup-plugin-visualizer": "^5.12.0",
     "unplugin-vue-components": "^0.27.4",
     "vite": "^5.4.10",
     "vite-plugin-style-import": "^2.0.0"