feat: support customizing timeout for specific route (#1203)

* feat: support customizing timeout for specific route

* test: add more tests

rest/server.go

@@ -5,6 +5,7 @@ import (
 	"log"
 	"net/http"
 	"path"
+	"time"
 
 	"github.com/tal-tech/go-zero/core/logx"
 	"github.com/tal-tech/go-zero/rest/handler"
@@ -204,6 +205,13 @@ func WithSignature(signature SignatureConf) RouteOption {
 	}
 }
 
+// WithTimeout returns a RouteOption to set timeout with given value.
+func WithTimeout(timeout time.Duration) RouteOption {
+	return func(r *featuredRoutes) {
+		r.timeout = timeout
+	}
+}
+
 // WithTLSConfig returns a RunOption that with given tls config.
 func WithTLSConfig(cfg *tls.Config) RunOption {
 	return func(srv *Server) {