docs: Update the raft usage by adding Hyperledger project
docs: Update the raft usage by adding Hyperledger project

cockroachdb/etcd,gyuho/etcd,etcd-io/etcd,mqliang/etcd,coreos/etcd,rnaveiras/etcd,ajityagaty/etcd,mqliang/etcd,li-ang/etcd,mkumatag/etcd,mqliang/etcd,etcd-io/etcd,etcd-io/etcd,gyuho/etcd,ajityagaty/etcd,dannysauer/etcd,rnaveiras/etcd,mkumatag/etcd,dannysauer/etcd,ajityagaty/etcd,li-ang/etcd,coreos/etcd,rnaveiras/etcd,cockroachdb/etcd,mkumatag/etcd