修复config.toml文件不能随备份与升级一起保存的问题

luci-app-easytier/Makefile

@@ -7,7 +7,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_VERSION:=2.2.4
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 LUCI_TITLE:=LuCI support for EasyTier
 LUCI_DEPENDS:=+kmod-tun
@@ -15,6 +15,11 @@ LUCI_PKGARCH:=all
 
 PKG_NAME:=luci-app-easytier
 
+define Package/$(PKG_NAME)/conffiles
+# /etc/config/easytier
+/etc/easytier/config.toml
+endef
+
 define Package/$(PKG_NAME)/prerm
 #!/bin/sh
 if [ -f /etc/config/easytier ] ; then