Can share credential offer (QR Code) - subject is mandatory : DONE
Add a new grant-type to generate "pre-authorized code" with "pin" : DONE
Display the list of credential configurations : DONE
Can manage the details of one credential configuration : DONE
Can manage the claims of one credential configuration : DONE
Can add a credential configuration : DONE
Can remove a credential configuration : DONE
Can issue a credential to a user. Required parameters are : subject, issueDateTime or expiration datetime. Data from the credential configuration must be copied : DONE
Develop a website to issue a credential, a QR code must be generated : TODO