feat: add react scan debugging

src/index.tsx

@@ -1,3 +1,4 @@
+import { scan } from "react-scan";
 import "@app/index.css";
 import { enableMapSet } from "immer";
 import "maplibre-gl/dist/maplibre-gl.css";
@@ -6,6 +7,12 @@ import { createRoot } from "react-dom/client";
 
 import { App } from "@app/App.tsx";
 
+// run react scan tool in development mode only
+import.meta.env.VITE_DEBUG &&
+  scan({
+    enabled: true,
+  });
+
 const container = document.getElementById("root") as HTMLElement;
 const root = createRoot(container);