Add package git-extras

Has some nice git utilities for extracting info from the repo
Add TODO for setting up locate
Add TODO for creating a ~/.gemrc with default options

Options like not installing docs is nice to have
Upgrade IntelliJ to Cardea IU-130.1365 from 130.1179
Add TODO for installing Mou (nice Markdown editor)
Add TODO for installing GitHub cli
Add TODO for installing Inpaint
Add TODO for installing PopClip
Add installation of Fantastical
Add installation of Slate
Fix run of 'stop chef run if Dropbox is not setup'

It should only be run if the Dropbox directory does not exist.