style: fix gci import grouping in config, cron, and skills installer

pkg/config/config.go

@@ -7,6 +7,7 @@ import (
 	"sync/atomic"
 
 	"github.com/caarlos0/env/v11"
+
 	"github.com/sipeed/picoclaw/pkg/fileutil"
 )
 

pkg/cron/service.go

@@ -11,6 +11,7 @@ import (
 	"time"
 
 	"github.com/adhocore/gronx"
+
 	"github.com/sipeed/picoclaw/pkg/fileutil"
 )
 

pkg/skills/installer.go

@@ -10,9 +10,8 @@ import (
 	"path/filepath"
 	"time"
 
-	"github.com/sipeed/picoclaw/pkg/utils"
-
 	"github.com/sipeed/picoclaw/pkg/fileutil"
+	"github.com/sipeed/picoclaw/pkg/utils"
 )
 
 type SkillInstaller struct {