Added heat map calendar demo

Author: naveenkumar-sanjeevirayan

HeatMap/SchedulerHeatMap/App.xaml

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+<Application
+    x:Class="SchedulerHeatMap.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:SchedulerHeatMap">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls" />
+                <!-- Other merged dictionaries here -->
+            </ResourceDictionary.MergedDictionaries>
+            <!-- Other app resources here -->
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

HeatMap/SchedulerHeatMap/App.xaml.cs

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+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Controls.Primitives;
+using Microsoft.UI.Xaml.Data;
+using Microsoft.UI.Xaml.Input;
+using Microsoft.UI.Xaml.Media;
+using Microsoft.UI.Xaml.Navigation;
+using Microsoft.UI.Xaml.Shapes;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.ApplicationModel;
+using Windows.ApplicationModel.Activation;
+using Windows.Foundation;
+using Windows.Foundation.Collections;
+
+// To learn more about WinUI, the WinUI project structure,
+// and more about our project templates, see: http://aka.ms/winui-project-info.
+
+namespace SchedulerHeatMap
+{
+	/// <summary>
+	/// Provides application-specific behavior to supplement the default Application class.
+	/// </summary>
+	public partial class App : Application
+	{
+		/// <summary>
+		/// Initializes the singleton application object.  This is the first line of authored code
+		/// executed, and as such is the logical equivalent of main() or WinMain().
+		/// </summary>
+		public App()
+		{
+			this.InitializeComponent();
+		}
+
+		/// <summary>
+		/// Invoked when the application is launched normally by the end user.  Other entry points
+		/// will be used such as when the application is launched to open a specific file.
+		/// </summary>
+		/// <param name="args">Details about the launch request and process.</param>
+		protected override void OnLaunched(Microsoft.UI.Xaml.LaunchActivatedEventArgs args)
+		{
+			m_window = new MainWindow();
+			m_window.Activate();
+		}
+
+		private Window m_window;
+	}
+}

HeatMap/SchedulerHeatMap/Assets/LockScreenLogo.scale-200.png

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+using Microsoft.UI;
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Media;
+using Syncfusion.UI.Xaml.Scheduler;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchedulerHeatMap
+{
+    public class MonthCellTemplateSelector : DataTemplateSelector
+    {
+        public DataTemplate LightGray { get; set; }
+        public DataTemplate LightGreen { get; set; }
+        public DataTemplate MidGreen { get; set; }
+        public DataTemplate Green { get; set; }
+        public DataTemplate DarkGreen { get; set; }
+
+        protected override DataTemplate SelectTemplateCore(object item, DependencyObject container)
+        {
+            var date = (container as MonthCell).DateTime;
+            if (date.Month % 2 == 0)
+            {
+                if (date.Day % 6 == 0)
+                {
+                    // 6, 12, 18, 24, 30
+                    return DarkGreen;
+                }
+                else if (date.Day % 5 == 0)
+                {
+                    // 5, 10, 15, 20, 25
+                    return MidGreen;
+                }
+                else if (date.Day % 8 == 0 || date.Day % 4 == 0)
+                {
+                    //  4, 8, 16, 24, 28
+                    return Green;
+                }
+                else if (date.Day % 9 == 0 || date.Day % 3 == 0)
+                {
+                    // 3, 9, 18, 21, 27
+                    return LightGray;
+                }
+                else
+                {
+                    // 1, 2, 7, 11, 13, 19, 22, 23, 26, 29
+                    return LightGreen;
+                }
+            }
+            else
+            {
+                if (date.Day % 6 == 0)
+                {
+                    // 6, 12, 18, 24, 30
+                    return LightGray;
+                }
+                else if (date.Day % 5 == 0)
+                {
+                    // 5, 10, 15, 20, 25
+                    return LightGreen;
+                }
+                else if (date.Day % 8 == 0 || date.Day % 4 == 0)
+                {
+                    //  4, 8, 16, 24, 28
+                    return MidGreen;
+                }
+                else if (date.Day % 9 == 0 || date.Day % 3 == 0)
+                {
+                    // 3, 9, 18, 21, 27
+                    return Green;
+                }
+                else
+                {
+                    // 1, 2, 7, 11, 13, 19, 22, 23, 26, 29
+                    return DarkGreen;
+                }
+            }
+        }
+    }
+}