Add to the documentation the new field for citation count , below is described the behavior is must follow
1- Add a new paper
2- Go to the General Tab and
3 - Place your cursor in the new Citation Field
4- next to the field, there is button available to start the search
5- if the value is blank or the TTL for the actual Doi has expiered, the field must be filled with the expected value
6- if the there is an existing value or the TTL is not yet reached, it won't perform fetching and will keep the same value
