add the github config

[davidaparicio]

• Automatic configuration for a github account
• One-line installer

[davidaparicio]

Beta test in progress
@jankeromnes do you want to try? :)

[davidaparicio]

@jankeromnes who is ghost ?
@jponge used the time machine with this tweet: https://twitter.com/jponge/status/1124335853030006784

But, hub is a very old project : first commit @defunkt, committed on Dec 5, 2009

Source: https://github.com/github/hub/commits/master?after=df284079043b26fbd6e0e865c233106f0feaff61+3289&branch=master