add myself to the user list
split up routes and note what categories they belong to
add Vote model to track votes on news items
users can only upvote once
add controller method to handle upvotes
add html form for upvoting
require all fields to cast a vote
fix route for voting on an item
pull votes for news items
generalize adding votes to items so that it can appear on the user-filtered page
hide vote form for already voted upon items
filter votes, no double counting
display votes, and fix vote link to reflect `toObject`-ified items
style upvote as an arrow