Add etcd as a service discovery mechanism

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/lestrrat-go/file-rotatelogs v2.4.0+incompatible // indirect
 	github.com/mitchellh/mapstructure v1.5.0
 	github.com/openimsdk/protocol v0.0.65
-	github.com/openimsdk/tools v0.0.49-alpha.13
+	github.com/openimsdk/tools v0.0.49-alpha.14
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/client_golang v1.18.0
 	github.com/stretchr/testify v1.9.0

go.sum

@@ -288,8 +288,8 @@ github.com/openimsdk/gomake v0.0.13 h1:xLDe/moqgWpRoptHzI4packAWzs4C16b+sVY+txNJ
 github.com/openimsdk/gomake v0.0.13/go.mod h1:PndCozNc2IsQIciyn9mvEblYWZwJmAI+06z94EY+csI=
 github.com/openimsdk/protocol v0.0.65 h1:SPT9qyUsFRTTKSKb/FjpS+xr6sxz/Kbnu+su1bxYagc=
 github.com/openimsdk/protocol v0.0.65/go.mod h1:OZQA9FR55lseYoN2Ql1XAHYKHJGu7OMNkUbuekrKCM8=
-github.com/openimsdk/tools v0.0.49-alpha.13 h1:u6r9eT90Co1gz/ukAjFAtxykU3JP4REWCgAy7WijVZ8=
-github.com/openimsdk/tools v0.0.49-alpha.13/go.mod h1:g7mkHXYUPi0/8aAX8VPMHpnb3hqdV69Jph+bXOGvvNM=
+github.com/openimsdk/tools v0.0.49-alpha.14 h1:1WigfCZhLQRYDdBjZRhf2ksFM4CWmMWd1y6RC36T02A=
+github.com/openimsdk/tools v0.0.49-alpha.14/go.mod h1:g7mkHXYUPi0/8aAX8VPMHpnb3hqdV69Jph+bXOGvvNM=
 github.com/pelletier/go-toml/v2 v2.1.0 h1:FnwAJ4oYMvbT/34k9zzHuZNrhlz48GB3/s6at6/MHO4=
 github.com/pelletier/go-toml/v2 v2.1.0/go.mod h1:tJU2Z3ZkXwnxa4DPO899bsyIoywizdUvyaeZurnPPDc=
 github.com/pierrec/lz4/v4 v4.1.21 h1:yOVMLb6qSIDP67pl/5F7RepeKYu/VmTyEXvuMI5d9mQ=