Refactored project to module structure

Moonlight.Api/Shared/PingController.cs

@@ -0,0 +1,16 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Moonlight.Api.Shared;
+
+[ApiController]
+[Route("api/ping")]
+public class PingController : Controller
+{
+    [HttpGet]
+    [AllowAnonymous]
+    public IActionResult Get()
+    {
+        return Ok("Pong");
+    }
+}