Small formatting changes to replay_format.md
Small formatting changes to replay_format.md

slaymaker1907/hearthbreaker,kingoflolz/hearthbreaker,slaymaker1907/hearthbreaker,pieiscool/edited-hearthbreaker,Ragowit/hearthbreaker,anuragpapineni/Hearthbreaker-evolved-agent,noa/hearthbreaker,pieiscool/edited-hearthbreaker,anuragpapineni/Hearthbreaker-evolved-agent,jirenz/CS229_Project,anuragpapineni/Hearthbreaker-evolved-agent,danielyule/hearthbreaker