add variable and method comments

internal/permissions/options.go

@@ -4,8 +4,10 @@ import (
 	"go.uber.org/zap"
 )
 
+// Option is a client configuration option definition.
 type Option func(*Client) error
 
+// WithLogger sets the logger for the client.
 func WithLogger(logger *zap.SugaredLogger) Option {
 	return func(c *Client) error {
 		c.logger = logger