opt: loadingwidget

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/common/widgets/custom_toast.dart

@@ -31,3 +31,37 @@ class CustomToast extends StatelessWidget {
     );
   }
 }
+
+class LoadingWidget extends StatelessWidget {
+  const LoadingWidget({super.key, required this.msg});
+
+  ///loading msg
+  final String msg;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 30, vertical: 20),
+      decoration: BoxDecoration(
+        color: Theme.of(context).dialogBackgroundColor,
+        borderRadius: BorderRadius.circular(15),
+      ),
+      child: Column(mainAxisSize: MainAxisSize.min, children: [
+        //loading animation
+        CircularProgressIndicator(
+          strokeWidth: 3,
+          valueColor: AlwaysStoppedAnimation(
+              Theme.of(context).colorScheme.onSurfaceVariant),
+        ),
+
+        //msg
+        Container(
+          margin: const EdgeInsets.only(top: 20),
+          child: Text(msg,
+              style: TextStyle(
+                  color: Theme.of(context).colorScheme.onSurfaceVariant)),
+        ),
+      ]),
+    );
+  }
+}