add identity server

Sledgemapper.Api/Controllers/IdentityController.cs

@@ -0,0 +1,18 @@
+using System.Linq;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Authorization;
+
+namespace Sledgemapper.Api.Controllers
+{
+    [Route("identity")]
+[Authorize]
+public class IdentityController : ControllerBase
+{
+    [HttpGet]
+    public IActionResult Get()
+    {
+        return new JsonResult(from c in User.Claims select new { c.Type, c.Value });
+    }
+}
+
+}