Add index.html from Jumbotron example on getbootrap
Add index.html from Jumbotron example on getbootrap

http://getbootstrap.com/examples/jumbotron/

Signed-off-by: Alan Orth <1ad53e5ac412470be257046982dc9c04920057fa@cgiar.org>

alanorth/data.ilri.org,alanorth/data.ilri.org