Update 第4篇React-Native布局实战（二）.md
Update 第4篇React-Native布局实战（二）.md

bash fixed
vczero/react-native-lesson,vczero/react-native-lession,zdsiyan/react-native-lession,zdsiyan/react-native-lession,vczero/react-native-lesson,JackyTianer/react-native-lession,zouguoweigo/react-native-lession,zouguoweigo/react-native-lession,Rowandjj/react-native-lession,JackyTianer/react-native-lession,Rowandjj/react-native-lession,vczero/react-native-lession