release: fix go release

cfg: support hot reload cfg

ci: update goreleaser

*: bump version to 1.0.6

fix: remove LB onError Ehco1996#31

feat: panic when token not right

feat: prom add auth token

Merge pull request Ehco1996#35 from Ehco1996/deadline

perf:  opt tcp/udp relay

doc/test: update readme && fix test

doc: 增加udp转发文档 close Ehco1996#32 close Ehco1996#9