Add project files.

LiteCharmsScheduler/Workers/Worker.cs

@@ -0,0 +1,17 @@
+namespace LiteCharmsScheduler.Workers
+{
+    public class Worker(ILogger<Worker> logger) : BackgroundService
+    {
+        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+        {
+            while (!stoppingToken.IsCancellationRequested)
+            {
+                if (logger.IsEnabled(LogLevel.Information))
+                {
+                    logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
+                }
+                await Task.Delay(1000, stoppingToken);
+            }
+        }
+    }
+}