New guide section on Git and GitHub

[Perry E. Metzger]

On Wed, 11 Apr 2018 17:54:23 -0400 Andrew Moore <slewsys at gmail.com>
wrote:
> > On Apr 11, 2018, at 5:31 PM, Perry E. Metzger
> > <pmetzger at macports.org> wrote:
> >
> > I just committed a new section of the guide called "Using Git
> > and GitHub". Please read, comment, and improve.
>
> Um, submit pull requests, no?

Of course! If you have improvements, submit pull requests!

(But if you're asking why this wasn't done with a pull request, I
talked to the gang on IRC and was told to just straight commit it.)

Perry
-- 
Perry E. Metzger		pmetzger at macports.org