feat: create request projects for basic CQRS

src/request.dispatcher/IStreamRequest.cs

@@ -0,0 +1,14 @@
+// Copyright (c) The Geekeey Authors
+// SPDX-License-Identifier: EUPL-1.2
+
+namespace Geekeey.Request.Dispatcher;
+
+/// <summary>
+/// Represents a request that produces a response of a specified type.
+/// This interface serves as a marker for distinguishing request types,
+/// enabling their integration into request-based pipelines or dispatch mechanisms.
+/// </summary>
+/// <typeparam name="TResponse">The type of the response produced by the implementing request handler.</typeparam>
+public interface IStreamRequest<out TResponse>
+{
+}