feat: attachments manage function is ready

api/store/vo/file.go

@@ -0,0 +1,11 @@
+package vo
+
+type File struct {
+	Id        uint
+	UserId    uint   `json:"user_id"`
+	Name      string `json:"name"`
+	URL       string `json:"url"`
+	Ext       string `json:"ext"`
+	Size      int64  `json:"size"`
+	CreatedAt int64  `json:"created_at"`
+}