Just replaced all go.etcd.io/etcd/raft/v3 with go.etcd.io/raft/v3
under directory contrib/raftexample.
Signed-off-by: Benjamin Wang <wachao@vmware.com>
This change makes the etcd package compatible with the existing Go
ecosystem for module versioning.
Used this tool to update package imports:
https://github.com/KSubedi/gomove
Add a channel over which we can propose cluster config changes to
raft. In an upcoming commit we'll add an HTTP endpoint that sends config
changes over this channel.
