parse_git_branch does not work unless backslash is added

[nj-io]

https://github.com/FACN1/research/blob/master/week-1/bash_profile_example#L20

[nj-io]

the backslash is needs to be added before the $(parse_git_branch);
export PS1="${RED}\A ${YELLOW}\u:${BLUE}\W${GREEN}\$(parse_git_branch)${RESET}> "