Added the ability to upvote and downvote feed updates

And after a long weekend of additions to the site, I’m done for now. On the feed updates page, I’ll have the ability to sort by best or worst posts, but for now I need to take the rest of the weekend off from coding. And I’m taking the rest of the night off from BB! Veto ceremony tomorrow. Right now it’s going to be Jag, but that can easily change