chore: import upstream snapshot with attribution

dotnet/samples/GettingStartedWithProcesses/Step04/Plugins/LocationPlugin.cs

@@ -0,0 +1,23 @@
+// Copyright (c) Microsoft. All rights reserved.
+using System.ComponentModel;
+using Microsoft.SemanticKernel;
+
+namespace Step04.Plugins;
+
+/// <summary>
+/// Mock plug-in to provide location information.
+/// </summary>
+internal sealed class LocationPlugin
+{
+    [KernelFunction]
+    [Description("Provide the user's current location by city, region, and country.")]
+    public string GetCurrentLocation() => "Bellevue, WA, USA";
+
+    [KernelFunction]
+    [Description("Provide the user's home location by city, region, and country.")]
+    public string GetHomeLocation() => "Seattle, WA, USA";
+
+    [KernelFunction]
+    [Description("Provide the user's work office location by city, region, and country.")]
+    public string GetOfficeLocation() => "Redmond, WA, USA";
+}