first implementation finished

app/lib/core/extension/result_async_extension.dart

@@ -0,0 +1,15 @@
+import 'package:exceptions/exceptions.dart';
+import 'package:riverpod/riverpod.dart';
+
+extension AsyncExtension<T> on Result<T> {
+  AsyncValue<T> toAsyncValue() {
+    return switch (this) {
+      Success(value: final value) => AsyncValue.data(value),
+      // TODO: Handle this case.
+      Failure(
+        error: final error,
+      ) =>
+        AsyncError(error.message, error.stackTrace ?? StackTrace.empty),
+    };
+  }
+}