See Makefile
Available options: ./executable clone
* `-in` - input file containing a repository list - every line is a single repo url (http/https)
* `-out` - target directory where to put the repos
* `-add-ssh-remote` true/false - if true - to every cloned repo add new ssh remote
* `-ssh-user` - username used to access the repo via ssh
* `-ssh-remote-name` - name of the remote
example:
$ ./git-cloner clone -in input_file.csv -out /target_dir -add-ssh-remote=true -ssh-user=git -ssh-remote-name=gitgubTODO:
* Add username and token for github authentication
* Add Gitlab support
* Add option to query github via rest interface