numbbbbb/the-swift-programming-language-in-chinese — pull request #215 by yankuangshi (2014-06-16 14:36:57+00:00)
Title: add contributing file

添加contributing文件，好处是当一个贡献者提交一个PR或者issue的时候，可以看到此文件的链接。
详见[How do I set up guidelines for contributors?](https://help.github.com/articles/how-do-i-set-up-guidelines-for-contributors)