Explain the meetup and tweak the design

Following discussion in #1 and #5, add an about section to the home
page and lift the automaton to the top of the layout so it appears on
all pages.
Keep list formatting consistent
Explain the meetup and tweak the design

Following discussion in #1 and #5, add an about section to the home page
and lift the automaton to the top of the layout so it appears on all
pages.

Closes #23, fixes #5.