Closure of octo.sh is scheduled for May 1st 2019. Please migrate as soon as possible. Repositories backups will be available upon request, after the server is offline. Contact: gitlab@octo.im

Tags give the ability to mark specific points in history as being important
Repository has no tags yet.
Use git tag command to add a new one:
git tag -a v1.4 -m 'version 1.4'