add reviewer to PR

reviewer.sh

# usage:
# add_reviewer_to_PR <your-username> <reviewer> <one-time-password> <PR-nr>
# you'll be prompted for your github password.
function add_reviewer_to_PR {
    user=$1
    reviewer=$2
    OTP=$3
    PR=$4
    curl -X POST -u "$user" -H 'Content-Type: application/json' -H "X-GitHub-OTP: $OTP" -d "{\"reviewers\": [\"$reviewer\"]}" https://api.github.com/repos/mindoktor/mindoktor/pulls/"$PR"/requested_reviewers
}

Maybe add comments and an example on how to call the function

Maybe add comments and an example on how to call the function

Done!