add order at categories

internal/entities/category.go

@@ -35,6 +35,7 @@ type Category struct {
 	OrganizationID uuid.UUID `gorm:"type:uuid;not null;index" json:"organization_id" validate:"required"`
 	Name           string    `gorm:"not null;size:255" json:"name" validate:"required,min=1,max=255"`
 	Description    *string   `gorm:"type:text" json:"description"`
+	Order    	   int  	 `gorm:"default:0" json:"order"`
 	BusinessType   string    `gorm:"size:50;default:'restaurant'" json:"business_type"`
 	Metadata       Metadata  `gorm:"type:jsonb;default:'{}'" json:"metadata"`
 	CreatedAt      time.Time `gorm:"autoCreateTime" json:"created_at"`