Add project files.

WorkerService1/Worker.cs

@@ -0,0 +1,21 @@
+namespace WorkerService1
+{
+    public class Worker : BackgroundService
+    {
+        private readonly ILogger<Worker> _logger;
+
+        public Worker(ILogger<Worker> logger)
+        {
+            _logger = logger;
+        }
+
+        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+        {
+            while (!stoppingToken.IsCancellationRequested)
+            {
+                _logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
+                await Task.Delay(1000, stoppingToken);
+            }
+        }
+    }
+}