chore(router): Add grpc and grep-web api

Using connect-go package

https://github.com/bufbuild/connect-go

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

modules/graceful/server_http.go

@@ -9,6 +9,9 @@ import (
 	"crypto/tls"
 	"net"
 	"net/http"
+
+	"golang.org/x/net/http2"
+	"golang.org/x/net/http2/h2c"
 )
 
 func newHTTPServer(network, address, name string, handler http.Handler) (*Server, ServeFunction) {
@@ -17,7 +20,7 @@ func newHTTPServer(network, address, name string, handler http.Handler) (*Server
 		ReadTimeout:    DefaultReadTimeOut,
 		WriteTimeout:   DefaultWriteTimeOut,
 		MaxHeaderBytes: DefaultMaxHeaderBytes,
-		Handler:        handler,
+		Handler:        h2c.NewHandler(handler, &http2.Server{}),
 		BaseContext:    func(net.Listener) context.Context { return GetManager().HammerContext() },
 	}
 	server.OnShutdown = func() {