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* Add accept match request button to match request show page
* Add controller action to accept match request
* Match Request show page shows "confirmed" if confirmed and am "accept" button if not confirmed
delegate allows me to pull methods from one class to another. So instead of doing something like `@match_request.user.username` I can delegate `username` from `user` and do `@match_request.username`. Something something law of demeter lol