fixed comments form
add stub and stuff on fake q page
made custom method to show comment instead of having it on the index method. change routing to match custom method.
comments work for both question and answer. shows comment form when clicking on link, and updates comments on refresh
add fixed nav bar with css styling
dbc overflow logo is a link but stays blue color
add upvote and downvote functionalityon answers controller
fix merge conflicts with siyan branch
resolved merge conflict