* Working on CompanyUser route
* CompanyUser update route
* tests for updating a company user
* Fixes for exchange currency rate
* Move slack and google analytics fields into company table
* implement Design API
* Working on emailing invoices
* Working on emailing and displaying email
* Working on emailing and displaying email
* Email invoices
* Fixes for html emails
* Ensure valid client prior to store
* Ensure client exists when storing an entity
* refactor for emails
* Design Transformer
* Include designs in first_load response
* Code cleanup
* 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
