Add hashing for link password and update link update service method

link/dto.go

@@ -16,7 +16,6 @@ type ResourceModel struct {
 	Id           string `json:"id"`
 	Name         string `json:"name"`
 	RedirectURL  string `json:"redirectUrl"`
-	Password     string `json:"password"`
 	CreationTime int64  `json:"creationTime"`
 }
 
@@ -46,7 +45,6 @@ func MapEntityToModel(entity *Link) ResourceModel {
 		Id:           entity.Id,
 		Name:         entity.Name,
 		RedirectURL:  entity.RedirectURL.String(),
-		Password:     entity.Password,
 		CreationTime: entity.CreationTime.Unix(),
 	}
 }