API result class

Result.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace HabitSharp {
+    public class Result<T> {
+        public bool Success { get; set; }
+        public T Data { get; set; }
+        public List<Notification> Notifications { get; set; }
+    }
+
+    public class ListResult<T> : Result<List<T>> { }
+}