title: How to create .razor files
body: <p>I've created a Blazor project using .net core 3.0 preview5 and VS2019 Enterprise.  I want to create .razor files, but all of my options have .cshtml extensions.  </p>
  
  <p>When I'm creating my project, I'm using asp.net core 3.0 and Blazor server hosted options</p>