refactor(v4.0.0-alpha): beginning of a new era

apps/client/src/main.tsx

@@ -0,0 +1,13 @@
+import { StrictMode } from "react";
+import * as ReactDOM from "react-dom/client";
+import { RouterProvider } from "react-router-dom";
+
+import { router } from "./router";
+
+const root = ReactDOM.createRoot(document.getElementById("root") as HTMLElement);
+
+root.render(
+  <StrictMode>
+    <RouterProvider router={router} />
+  </StrictMode>,
+);