How to download and setup slug
Open terminal and run command
git clone https://github.com/gosimple/slug.git
git clone is used to create a copy or clone of slug repositories.
You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with slug https://github.com/gosimple/slug/archive/master.zip
Or simply clone slug with SSH
[email protected]:gosimple/slug.git