Get boom-completion installed on Mac using brew

Package Information:

Name: boom-completion
Use: boom lets you access text snippets from the command line.
URL: https://zachholman.com/boom

Installation Steps:

1. Open up your Terminal.
2. Now, run

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

3. Install boom-completion using brew

   brew install boom-completion

boom-completion is ready to use now!