* Implement transformer for ClientGatewayTokens
* Add company_gateway_id to client gateway token transformer
* Fixes for client model
* Fixes for Number class
* update company settings and OpenAPI definitions
* Fixes for tests
* Add extra variables to company settings
* Track signup platform when new account signup processed
* Fixes for invoice save
* update company settings and OpenAPI definitions
* Fixes for tests
* Add extra variables to company settings
* Track signup platform when new account signup processed
* Add conditional checks in client portal
* Add ability to cancel recurring invoices from client portal
* Fixes for types
* Add fields to invoice and quote table