Add Github preview checkout for reviewing

.ghprrc

# Adding Github PR preview function 
# required: gh - install `brew install gh`
# required: fzf - install `brew install fzf`

# put this file in ~ (home directory) where all the dotfiles are
# add `source ~/.ghprrc` to your shell rc file (.bashrc, .zshrc)
# open a new Terminal window to activate this script

# to run function 
# from a new Terminal window
# type in `ghpr`

function ghpr() {
    GH_FORCE_TTY=100% gh pr list | fzf --ansi --preview 'GH_FORCE_TTY=100% gh pr view {1}' --preview-window down --header-lines 3 | awk '{print $1}' | xargs gh pr checkout
}

# source credit
# this video https://www.youtube.com/watch?v=Bwzi63hEXwc
# by Elijah Manor
# https://www.youtube.com/@ElijahManor