add env directory, which README calls for
Fix for issue #350 - the positioning of the image placed it over the link, so the link was no longer clickable. I sent it behind the link with z-index which seems to have done the trick. Tested in OSX Chrome & Firefox.
Merge pull request #353 from trustrachel/issue350

Fix for issue #350 - image being rendered over a link, rendering it unclickable
Merge pull request #341 from yarko/develop

add env directory, which README calls for