Set some save button progress bar and toast message

lib/providers/auth.dart

@@ -18,6 +18,18 @@ class Auth with ChangeNotifier {
     return token != null;
   }
 
+  bool isloading = false;
+
+  void resetLoading() {
+    isloading = false;
+    notifyListeners();
+  }
+
+  void setLoading() {
+    isloading = true;
+    notifyListeners();
+  }
+
   String? get token {
     if (_expiaryDate != null &&
         _expiaryDate!.isAfter(DateTime.now()) &&