Get time api

NostrStreamer/Controllers/TimeController.cs

@@ -0,0 +1,16 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace NostrStreamer.Controllers;
+
+[Route("/api/time")]
+public class TimeController : Controller
+{
+    [HttpGet]
+    public IActionResult GetTime()
+    {
+        return Json(new
+        {
+            time = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds()
+        });
+    }
+}