fix: update user plan and rearrange structur project

internal/accessor/subscribe/create.go

@@ -6,13 +6,13 @@ import (
 	"github.com/google/uuid"
 )
 
-func (s *SubsAccs) Create(subsPlanId string) (string, error) {
+func (s *accessor) Create(subsPlanId string) (string, error) {
 	spec := &subscribedomain.Subscribe{
 		ID:              uuid.NewString(),
 		SubscribePlanID: subsPlanId,
 	}
 
-	if err := s.DB.Create(&spec).Error; err != nil {
+	if err := s.db.Create(&spec).Error; err != nil {
 		return "", err
 	}