Integration and add heat map demo

- Implemented OpenStreetMap using WebView with Leaflet.js
- Added OpenStreetMapView component with interactive map functionality
- Created heat map visualization with color-coded intensity
- Added 30 dummy location points around San Francisco Bay Area
- Implemented location tracking with real-time pin placement
- Added comprehensive UI with two-row button layout
- Features: Start/Stop tracking, Center map, Demo heat map, Clear demo, Reset map
- Added location count display and confirmation dialogs
- Updated project structure and documentation
- All functionality tested and working on Android emulator

LocationTrackerApp/MauiProgram.cs

@@ -0,0 +1,45 @@
+using Microsoft.Extensions.Logging;
+using LocationTrackerApp.Services;
+using LocationTrackerApp.Data;
+using LocationTrackerApp.ViewModels;
+using LocationTrackerApp.Views;
+
+namespace LocationTrackerApp;
+
+public static class MauiProgram
+{
+	public static MauiApp CreateMauiApp()
+	{
+		var builder = MauiApp.CreateBuilder();
+		builder
+			.UseMauiApp<App>()
+			.ConfigureFonts(fonts =>
+			{
+				fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
+				fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
+			});
+
+		// Configure logging
+#if DEBUG
+		builder.Logging.AddDebug();
+#endif
+
+		// Register services
+		builder.Services.AddSingleton<LocationDbContext>(provider =>
+		{
+			var dbPath = Path.Combine(FileSystem.AppDataDirectory, "location_tracker.db");
+			return new LocationDbContext(dbPath);
+		});
+
+		builder.Services.AddSingleton<ILocationService, LocationService>();
+		builder.Services.AddSingleton<IConfigurationService, ConfigurationService>();
+
+		// Register view models
+		builder.Services.AddTransient<MainViewModel>();
+
+		// Register views
+		builder.Services.AddTransient<MainView>();
+
+		return builder.Build();
+	}
+}