Add project files.

Core.Blueprint.Service.UseCases/GetSecret/Input/GetSecretRequest.cs

@@ -0,0 +1,19 @@
+using Lib.Architecture.BuildingBlocks;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Core.Blueprint.Service.UseCases.GetSecret.Input
+{
+    public class GetSecretRequest : Notificator, ICommand
+    {
+        public string? Secret { get; set; }
+
+        public bool Validate()
+        {
+            return true;
+        }
+    }
+}