add tls config option

pkg/handler/option.go

@@ -1,6 +1,7 @@
 package handler
 
 import (
+	"crypto/tls"
 	"net/url"
 
 	"github.com/go-gost/gost/pkg/bypass"
@@ -11,13 +12,14 @@ import (
 )
 
 type Options struct {
-	Retries  int
-	Chain    *chain.Chain
-	Resolver resolver.Resolver
-	Hosts    hosts.HostMapper
-	Bypass   bypass.Bypass
-	Auths    []*url.Userinfo
-	Logger   logger.Logger
+	Retries   int
+	Chain     *chain.Chain
+	Resolver  resolver.Resolver
+	Hosts     hosts.HostMapper
+	Bypass    bypass.Bypass
+	Auths     []*url.Userinfo
+	TLSConfig *tls.Config
+	Logger    logger.Logger
 }
 
 type Option func(opts *Options)
@@ -58,6 +60,12 @@ func AuthsOption(auths ...*url.Userinfo) Option {
 	}
 }
 
+func TLSConfigOption(tlsConfig *tls.Config) Option {
+	return func(opts *Options) {
+		opts.TLSConfig = tlsConfig
+	}
+}
+
 func LoggerOption(logger logger.Logger) Option {
 	return func(opts *Options) {
 		opts.Logger = logger