Looking for a good reference for ReactJS and ASP .NET MVC sample project, preferably with Authn and Authz as well?
Good question, right?
First step, try the new template with asp.net. Core 2 under vs 2017.
And then, follow the following great series on Code Project from Alex Brambila (really good stuff):
How to Implement CRUD forms with React and ASP.NET Core
How to Implement CRUD Forms with React and ASP.NET Core - Part 2
How to Implement CRUD forms with React and ASP.Net Core - Part 3
Hope that helps