AS AN ADMIN
I WANT TO click on the button 'ADD USER'
IN ORDER for a modal to open up where I can add user details (personal ID code and role) and after clicking 'Kinnita' button, new user will be added
[ ] Both fields are compulsory and error message is shown if information is missing/wrong
[ ] Information is added to User list
[ ] ID Code needs country prefix (e.g. EE38001085718 instead of 38001085718)
AS AN ADMIN I WANT TO click on the button 'ADD USER' IN ORDER for a modal to open up where I can add user details (personal ID code and role) and after clicking 'Kinnita' button, new user will be added