* Minor fixes for OpenAPI docs for clients
* Add fields to company transformer
* Padding email templates, system level and custom
* Minor fixes for email template subject
* Working on Email Templates
* Clean up User model, remove redundant permissions methods
* Implement Locale for API
* Implement Locale middleware for client routes
* Minor fixes for OpenAPI docs for clients
* Add fields to company transformer
* Padding email templates, system level and custom
* Set Unique value on client_contact_id & invoice_id on invitations table
* Fix for client display_name