rack/rack — pull request #285 by elcuervo (2011-12-14 23:28:15+00:00)
Title: Adds :index to Rack::Static to define a default root file

I've found some workarounds to have this feature by using Rack::Static and Rack::Directory but perhaps this is more useful.
Provides an easy way to serve a folder and set a default file to be rendered.