* style cs
* Style CS
* Throw Record not found exception if invalid primary key hash is provided
* Improve error handling
* Create abstract implementation for designs
* working on custom designs
* Add Design Model
* invoice services
* Download Invoice by Invitation
* Remove unnecessary save() on invoice
* Update copyright
* Working on Credit Repository
* Implement credits as a paymentable entity
* Add credit_id to transformer
* fix rules for update payment
* Fix random deleted_at keys in transformers
* Fix for password_protect check
