update readme
Merge pull request #28 from Gwill/update_readme

update readme
translate finished
fix translate words
add game loop article
Merge branch 'master' of https://github.com/GameDevelopmentCollege/Game-Programming-Patterns-CN into gameloop
design pattern revisited correction
Update 03.2-Game Loop.md

除了"设计的一些考虑"之外的部分已修订。这一部分稍微高级一点,有些地方还需要大神们一起考量考量~。
correct
add command pattern article
Merge branch 'command-translation'
merge update
introduction correction