fix: recognize FwMark field off value

deps(ci): goreleaser (#39)

fix(ci): goreleaser (#38)

feature(update): 新增 update 子命令，支持从Macarons镜像站 -> GitHub Releases 自更新 (#…

…21)

* Create update.go

* Update update.go

* Update update.go

* Update update.go

* Update update.go

* Update update.go

* Update README.md

* Update update.go

chore(deps): update (#14)

feat: random ListenPort (#10)

fix: delete iface from pending list failed

fix: continue when resolve failed

feat: update module name and actions

fix: wg default value