Take this for what it's worth; I'm still learning. You look completely fine, and in your case I would not recommend doing anything for aesthetic reasons alone, but I think there are a few things to consider.
You're really young to be snoring, and that unfortunately usually only gets worse with age. Like you said, that's probably not a good sign, but before doing anything I would address why you're snoring. If you have a deviated septum (or whatever) just fix that without ripping your entire face apart. It sounds like you're either having joint pain, or muscle pain, from chewing and surgery can either make that better or WORSE. Also, if your top front teeth were flared outward by your orthodontist, and that's the only reason your bite is alright, I would be cautious of the long term stability. If that was the case, then I guess I would consider surgery. If you do go ahead with this I would be super conservative. You have a good face, and good bone structure, and I would be afraid an aggressive movement would give you a bit of a 'chimp' look. I don't mean that in a bad way, at all, it's just something that can happen so plan accordingly.
Cheers!