Add docker execution environment

RemoteExec.Shared/Models/RemoteExecutionResult.cs

@@ -0,0 +1,17 @@
+namespace RemoteExec.Shared.Models;
+
+/// <summary>
+/// Represents the result of a remote method execution.
+/// </summary>
+public sealed class RemoteExecutionResult
+{
+    /// <summary>
+    /// Gets or sets the return value of the executed method, or null if the method returns void.
+    /// </summary>
+    public object? Result { get; set; }
+
+    /// <summary>
+    /// Gets or sets the exception message if the execution failed, or null if successful.
+    /// </summary>
+    public string? Exception { get; set; }
+}