Add additional info about read-only users, it's free and available for 2 plans

[poliarush]

user request:

Hello do you think it's possible to get free read only users in enterprise subscription? asking for developers

hey, actually we have free read only users for enterprise plans what is the question?

Цікаво ніде не знайшов цієї інформації іншими словами в ентерпарйс плані оплачуються тільки юзери з write access?

так, бачу не додали цю інформацію на сайт це ж кілєр фіча

• [ ] Add read-only as role in company, need to mention it's free

https://docs.testomat.io/subscriptions/companies/#roles-within-a-company

• [ ] need to mention read-only users in subscriptions, that's is free and available on pro and enterprise plans

https://docs.testomat.io/subscriptions/subscriptions/

[TetianaKhomenko]

done