fix: add example

example_test.go

@@ -0,0 +1,32 @@
+package raft_test
+
+import (
+	"io"
+	"net/http"
+
+	"github.com/shaj13/raft"
+	"github.com/shaj13/raft/transport"
+	"github.com/shaj13/raft/transport/raftgrpc"
+	"github.com/shaj13/raft/transport/rafthttp"
+	"google.golang.org/grpc"
+)
+
+type stateMachine struct{}
+
+func (stateMachine) Apply([]byte)                           {}
+func (stateMachine) Snapshot() (r io.ReadCloser, err error) { return }
+func (stateMachine) Restore(io.ReadCloser) (err error)      { return }
+
+func Example_gRPC() {
+	srv := grpc.NewServer()
+	node := raft.NewNode(stateMachine{}, transport.GRPC)
+	raftgrpc.RegisterHandler(srv, node.Handler())
+}
+
+func Example_http() {
+	node := raft.NewNode(stateMachine{}, transport.HTTP)
+	handler := rafthttp.Handler(node.Handler())
+	_ = http.Server{
+		Handler: handler,
+	}
+}