Fix DataCenter emission calculation: VM-level processing, authentication fixes, and type safety improvements

src/App.js

@@ -0,0 +1,13 @@
+// ** Router Import
+import Router from "./router/Router";
+import { SnackbarProvider } from "notistack";
+
+const App = () => {
+  return (
+    <SnackbarProvider maxSnack={3} autoHideDuration={5000}>
+      <Router />
+    </SnackbarProvider>
+  );
+};
+
+export default App;