fixed capitalization per acrolinx scorecard

Author: v-shils

articles/app-service/app-service-web-get-started-dotnet-framework.md

@@ -1,5 +1,5 @@
 ---
-title: 'QuickStart: Create a C# ASP.NET app'
+title: 'Quickstart: Create a C# ASP.NET app'
 description: Learn how to run web apps in Azure App Service by deploying the default C# ASP.NET web app template from Visual Studio.
 ms.assetid: 04a1becf-7756-4d4e-92d8-d9471c263d23
 ms.topic: quickstart