multi: skip checking long lines for config files

kvdb/postgres/config.go

@@ -3,6 +3,8 @@ package postgres
 import "time"
 
 // Config holds postgres configuration data.
+//
+// nolint:lll
 type Config struct {
 	Dsn            string        `long:"dsn" description:"Database connection string."`
 	Timeout        time.Duration `long:"timeout" description:"Database connection timeout. Set to zero to disable."`