use hujson for config file

config.go

@@ -10,6 +10,7 @@ import (
 	"time"
 
 	log "github.com/sirupsen/logrus"
+	"github.com/tailscale/hujson"
 )
 
 type Config struct {
@@ -58,8 +59,13 @@ func (c *Config) LoadFile(path string) error {
 		return err
 	}
 
-	err = json.Unmarshal(b, &c)
+	b, err = hujson.Standardize(b)
 	if err != nil {
+		log.WithFields(log.Fields{"path": path, "error": err, "call": "hujson.Standardize"}).Errorf("")
+		return err
+	}
+
+	if err := json.Unmarshal(b, &c); err != nil {
 		log.WithFields(log.Fields{"path": path, "error": err, "call": "json.Unmarshal"}).Errorf("")
 		return err
 	}