Migrate frontend from Thymeleaf and basic JS to Vue.js application

frontend/vite.config.js

@@ -0,0 +1,15 @@
+import { defineConfig } from "vite"
+import vue from "@vitejs/plugin-vue"
+
+export default defineConfig({
+  plugins: [vue()],
+  server: {
+    port: 3000,
+    proxy: {
+      "/api": {
+        target: "http://localhost:8080",
+        changeOrigin: true,
+      },
+    },
+  },
+})