Create CONTRIBUTORS.md

CONTRIBUTORS.md

+# 贡献者名单
+
+> 第一期 (2018-01-01)
+
+* [@片刻](https://github.com/jiangzhonglian)
+* [@那伊抹微笑](https://github.com/wangyangting)
+* [@瑶妹](https://github.com/chenyyx)
+* [@loveSnowBest](https://github.com/zehuichen123)
+* [@谈笑风生](https://github.com/zhu1040028623)
+* [@诺木人](https://github.com/1mrliu)
+* [@飞龙](https://github.com/wizardforcel)
+
+> 第二期 (2018-06-01)
+
+* [@KrisYu](https://github.com/KrisYu/LeetCode-CLRS-Python)
+* 授权信息: <https://github.com/apachecn/Interview/tree/master/docs/Algorithm/ProjectCornerstone/ApproveLetter.md>
+* [@Lisanaaa](https://github.com/Lisanaaa) -- 由于个人商业化原因，退出
+* [@片刻](https://github.com/jiangzhonglian) - [@小瑶](https://github.com/chenyyx) - [@cclauss](https://github.com/cclauss) - [@yudaer](https://github.com/yudaer)
+* [@yuzhoujr](https://github.com/yuzhoujr) - [@wizardforcel](https://github.com/wizardforcel) - [@Stuming](https://github.com/Stuming) - [@GaofanHu](https://github.com/GaofanHu)
+* [@er3456qi](https://github.com/er3456qi) - [@xshahq](https://github.com/xshahq) - [@xiaqunfeng](https://github.com/xiaqunfeng) - [@CaviarChen](https://github.com/CaviarChen)
+* [@royIdoodle](https://github.com/royIdoodle) - [@MarsXue](https://github.com/MarsXue) - [@nature1995](https://github.com/nature1995)
+
+> 第三期 (2019-07-17)
+
+* [@片刻](https://github.com/jiangzhonglian)
+* [@飞龙](https://github.com/wizardforcel)
+* [@xixici](https://github.com/xixici)
+* [@royIdoodle](https://github.com/royIdoodle)