新手教程-Hello，Sagas！

[shayminsky]

hello sagas一章中修改main.js部分的代码在html中有问题: https://redux-saga-in-chinese.js.org/docs/introduction/BeginnerTutorial.html

md文件中没有问题: https://github.com/superRaytin/redux-saga-in-chinese/blob/master/docs/introduction/BeginnerTutorial.md