Sample Changes partially added

Author: mageshyadavm

LoadMore_MVVM/SfListViewSample.sln

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+<?xml version="1.0" encoding="utf-8" ?>
+<Application xmlns="http://xamarin.com/schemas/2014/forms"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="SfListViewSample.App">
+	<Application.Resources>
+    
+	</Application.Resources>
+</Application>

LoadMore_MVVM/SfListViewSample/SfListViewSample/App.xaml

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+using System;
+using Xamarin.Forms;
+using Xamarin.Forms.Xaml;
+
+[assembly: XamlCompilation (XamlCompilationOptions.Compile)]
+namespace SfListViewSample
+{
+	public partial class App : Application
+	{
+		public App ()
+		{
+			InitializeComponent();
+
+            MainPage =new NavigationPage( new MainPage());
+		}
+
+		protected override void OnStart ()
+		{
+			// Handle when your app starts
+		}
+
+		protected override void OnSleep ()
+		{
+			// Handle when your app sleeps
+		}
+
+		protected override void OnResume ()
+		{
+			// Handle when your app resumes
+		}
+	}
+}