Moved Requests classes to here. Added some checks to requests.

Requests/IRequest.cs

@@ -0,0 +1,10 @@
+namespace HermesSocketServer.Requests
+{
+    public interface IRequest
+    {
+        string Name { get; }
+        string[] RequiredKeys { get; }
+
+        Task<RequestResult> Grant(string sender, IDictionary<string, object>? data);
+    }
+}