(feat) add styling to the opponents in the room
(feat) sandbox

added sandbox code. not yet tested. also does not asynchronously load files. Does not exploit the ability to pass in named variables.

I will rewrite it to that in a bit.
Merge pull request #21 from gregory-nisbet/feat/sandbox-eval2

(feat) sandbox
feat/countdown
Merge pull request #22 from johnnyliang213/feat/clockCountdown

(feat) countdown
(feat) show opponent's code when the game is done
(feat) add opponent's code button disable/able feature
Merge pull request #24 from Neco-Murphy/feat/showOpponentsCode

(feat) show opponents code