add next/prev to list page render()

This needing to update render() is becoming impossible, but it wouldn't
have been a problem if `git format-patch` didn't miss one of my
patches...
add named navs, so we can add more nav lists later

This makes sense with the apps having names, and will allow us to have
more nav lists in the future.
add a setup guide until we get a create command

Fixes #50
release v0.010