Merge branch 'master' of https://github.com/i6mi6/react-native-parall…

…ax-scroll-view

0.21.2

0.21.1

0.21.1

Merge pull request i6mi6#98 from ejkkan/feature/scrollevent-callback

Feature/scrollevent callback

Merge pull request i6mi6#61 from AndrewJack/add_npmignore

add npmignore

updates examples

adds CoC and contributions section