feat: migrate from Next.js to Vite and React Router, updating routing and environment variable handling

web/src/main.tsx

@@ -0,0 +1,18 @@
+import React from "react";
+import { createRoot } from "react-dom/client";
+import "antd/dist/reset.css";
+import "./app/globals.css";
+import { RouterProvider } from "react-router-dom";
+
+import { AppProviders } from "@/components/layout/app-providers";
+import { router } from "@/router";
+
+document.body.style.fontFamily = '"SF Pro Display","SF Pro Text","PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif';
+
+createRoot(document.getElementById("root")!).render(
+    <React.StrictMode>
+        <AppProviders>
+            <RouterProvider router={router} />
+        </AppProviders>
+    </React.StrictMode>,
+);