Updating sample app icons (#332)

* Replacing Android AppIcons

* Replacing iOS App Icons

* Replacing UWP App Icons

* Adding iOS Splash Screen

* Adding Android SplashScreen

Author: adenearnshaw

XamarinCommunityToolkitSample.Android/MainActivity.cs

@@ -6,7 +6,7 @@
 
 namespace Xamarin.CommunityToolkit.Sample.Droid
 {
-	[Activity(Label = "XamarinCommunityToolkitSample", Icon = "@mipmap/icon", Theme = "@style/MainTheme", MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation)]
+	[Activity(Label = "XamarinCommunityToolkitSample", Icon = "@mipmap/icon", Theme = "@style/MainTheme", MainLauncher = false, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation)]
 	public class MainActivity : global::Xamarin.Forms.Platform.Android.FormsAppCompatActivity
 	{
 		protected override void OnCreate(Bundle savedInstanceState)
@@ -21,6 +21,7 @@ protected override void OnCreate(Bundle savedInstanceState)
 			global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
 			LoadApplication(new App());
 		}
+
 		public override void OnRequestPermissionsResult(int requestCode, string[] permissions, [GeneratedEnum] Permission[] grantResults)
 		{
 			Platform.OnRequestPermissionsResult(requestCode, permissions, grantResults);