边缘节点支持设置多个缓存目录

internal/caches/file_dir.go

@@ -0,0 +1,11 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package caches
+
+import "github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
+
+type FileDir struct {
+	Path     string
+	Capacity *shared.SizeCapacity
+	IsFull   bool
+}