Release 1.0.3

chore: fix negative values patch version

chore: v1.0.0 breaking changes:

- renaming unit prop to prefix
- adding suffix prop
- removing ignoreNative prop
- adding signPosition and showPositiveSign props

Merge branch 'master' of https://github.com/CaioQuirinoMedeiros/react…

…-native-currency-input

docs: adding npm version shield

chore: bump version

chore: updating readme and lint fixes