增加定时任务，

Store.Framework/Jobs/JobAttribute.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Store.Framework.Jobs;
+
+[AttributeUsage(AttributeTargets.Class, AllowMultiple = false)]
+public class JobAttribute : Attribute
+{
+	public string Name { get; }
+	public string Cron { get; }
+
+	public JobAttribute(string name, string cron)
+	{
+		Name = name;
+		Cron = cron;
+	}
+}