About gibo : Access GitHub’s .gitignore boilerplates!
More Information: https://github.com/simonwhitaker/gibo

Steps to install:

1. Launch your Terminal by pressing command+space, type terminal and hit Enter key.
2. Run

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

3. Install

   brew install gibo

Done!

More about gibo:

gibo (short for .gitignore boilerplates) is a shell script to help you easily access .gitignore boilerplates from github.com/github/gitignore.