Update README.md

Author: ganesanvelusamy

README.md

@@ -1,2 +1,14 @@
-# How-to-create-a-horizontal-listview-in-Xamarin.Forms-
+# How to create a horizontal listview in Xamarin.Forms
+
 This example demonstrates how to create a horizontal listview using Xamarin.Forms SfListView.
+
+## <a name="requirements-to-run-the-demo"></a>Requirements to run the demo ##
+
+* [Visual Studio 2017](https://visualstudio.microsoft.com/downloads/) or [Visual Studio for Mac](https://visualstudio.microsoft.com/vs/mac/).
+* Xamarin add-ons for Visual Studio (available via the Visual Studio installer).
+
+## <a name="troubleshooting"></a>Troubleshooting ##
+
+### Path too long exception
+
+If you are facing path too long exception when building this example project, close Visual Studio and rename the repository to short and build the project.