previously, if we only had one photo the app wouldn't show it on the story into screen (see #123).
This commit catches that case (Intro screen w/ just one photo) and outputs the html to show that photo
fixes #123
(Note, it looks like a bunch of lines changed because when I switched to using the let...in syntax it means the stuff in the in part of the clause gets indented a tab. I also added a little whitespace. But if you look closely, not that much has changed, just mainly:
else if screen == Body then
becomes:
else if screen == Body || (screen == Intro && numStories == 1) then
(Note, it looks like a bunch of lines changed because when I switched to using the
let...insyntax it means the stuff in theinpart of the clause gets indented a tab. I also added a little whitespace. But if you look closely, not that much has changed, just mainly:becomes: