passwordless signin for billing portal

src/Billing/Controllers/HomeController.cs

@@ -0,0 +1,15 @@
+using System;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Billing.Controllers
+{
+    public class HomeController : Controller
+    {
+        [Authorize]
+        public IActionResult Index()
+        {
+            return View();
+        }
+    }
+}