feat: Implement switching between accounts (multi user support), still WIP

lib/features/settings/view/pages/switching_accounts_page.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/src/widgets/framework.dart';
+import 'package:flutter/src/widgets/placeholder.dart';
+
+class SwitchingAccountsPage extends StatelessWidget {
+  const SwitchingAccountsPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return WillPopScope(
+      onWillPop: () async {
+        return false;
+      },
+      child: Material(
+        child: Center(
+          child: Text("Switching accounts. Please wait..."),
+        ),
+      ),
+    );
+  }
+}