fix dev scripts.

dev/start

@@ -22,6 +22,10 @@ if [ -z $NEKO_NAT1TO1 ]; then
         fi
     done
 
+    if [ -z $NEKO_NAT1TO1 ]; then
+        NEKO_NAT1TO1=$(hostname -I 2>/dev/null | awk '{print $1}')
+    fi
+
     if [ -z $NEKO_NAT1TO1 ]; then
         NEKO_NAT1TO1=$(hostname -i 2>/dev/null)
     fi

pkg/utils/deocde.go

@@ -3,8 +3,14 @@ package utils
 import (
 	"encoding/json"
 	"reflect"
+
+	"github.com/mitchellh/mapstructure"
 )
 
+func Decode(input interface{}, output interface{}) error {
+	return mapstructure.Decode(input, output)
+}
+
 func Unmarshal(in any, raw []byte, callback func() error) error {
 	if err := json.Unmarshal(raw, &in); err != nil {
 		return err