增加同步物流模块

修改现有架构，改为分模块( 简易版)

MAX.Core/Interfaces/IPriority.cs

@@ -0,0 +1,33 @@
+namespace MAX.Core.Interfaces;
+
+public interface IPriority
+{
+	/// <summary> 优先级（优先级越高越先执行） </summary>
+	int Priority { get; }
+}
+
+public static class IntPriority
+{
+	public const int Highest = 5000;
+
+	public const int VeryHigh = 4000;
+
+	public const int Higher = 3000;
+
+	public const int High = 2000;
+
+	public const int AboveNormal = 1000;
+
+	public const int Normal = 0;
+
+	public const int BelowNormal = -1000;
+
+	public const int Low = -2000;
+
+	public const int Lower = -3000;
+
+	public const int VeryLow = -4000;
+
+	public const int Lowest = -5000;
+
+}