Get doctl installed on Mac using Brew

Package Information:

Name: doctl
Use: A command line tool for DigitalOcean services
URL: https://github.com/digitalocean/doctl

Installation Steps:

1. Open Terminal using Spotlight search by pressing <command+space>. Type terminal and hit Enter key.
2. Now, Execute

   ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

3. Install doctl using brew

   brew install doctl

doctl is ready to use now!