chore: import upstream snapshot with attribution

dotnet/samples/Demos/OllamaFunctionCalling/Plugins/MyAlarmPlugin.cs

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+// Copyright (c) Microsoft. All rights reserved.
+
+using System.ComponentModel;
+using Microsoft.SemanticKernel;
+
+namespace OllamaFunctionCalling;
+
+/// <summary>
+/// Class that represents a controllable alarm.
+/// </summary>
+public class MyAlarmPlugin
+{
+    private string _hour;
+
+    public MyAlarmPlugin(string providedHour)
+    {
+        this._hour = providedHour;
+    }
+
+    [KernelFunction, Description("Sets an alarm at the provided time")]
+    public string SetAlarm(string time)
+    {
+        this._hour = time;
+        return GetCurrentAlarm();
+    }
+
+    [KernelFunction, Description("Get current alarm set")]
+    public string GetCurrentAlarm()
+    {
+        return $"Alarm set for {_hour}";
+    }
+}

dotnet/samples/Demos/OllamaFunctionCalling/Plugins/MyLightPlugin.cs

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+// Copyright (c) Microsoft. All rights reserved.
+
+using System.ComponentModel;
+using Microsoft.SemanticKernel;
+
+namespace OllamaFunctionCalling;
+
+/// <summary>
+/// Class that represents a controllable light bulb.
+/// </summary>
+[Description("Represents a light bulb")]
+public class MyLightPlugin(bool turnedOn = false)
+{
+    private bool _turnedOn = turnedOn;
+
+    [KernelFunction, Description("Returns whether this light is on")]
+    public bool IsTurnedOn() => _turnedOn;
+
+    [KernelFunction, Description("Turn on this light")]
+    public void TurnOn() => _turnedOn = true;
+
+    [KernelFunction, Description("Turn off this light")]
+    public void TurnOff() => _turnedOn = false;
+}

dotnet/samples/Demos/OllamaFunctionCalling/Plugins/MyTimePlugin.cs

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+// Copyright (c) Microsoft. All rights reserved.
+
+using System;
+using System.ComponentModel;
+using Microsoft.SemanticKernel;
+
+namespace OllamaFunctionCalling;
+
+/// <summary>
+/// Simple plugin that just returns the time.
+/// </summary>
+public class MyTimePlugin
+{
+    [KernelFunction, Description("Get the current time")]
+    public DateTimeOffset Time() => DateTimeOffset.Now;
+}