Which of the checkpoints are you unable to pass? Can you share your files?
cd; tar -czf w.tgz workspace; curl -T w.tgz https://transfer.sh; rm w.tgz; cd $OLDPWD
You'll get a link to share, others can then get your files with:
curl -O YOURLINK; tar -xf w.tgz; cd workspace/rails-auth-1/