IBorder | EF React Native Style Framework

Determines the interface for the border Constants. Provides IBorderRadius and IBorderWidth properties that can be accessed.

example: Using the values ```ts import { ViewStyle } from 'react-native'; import { border } from '@ef-carbon/react-native-style'; const style: ViewStyle = { borderWidth: border.width.normal, borderRadius: border.radius.normal, }); ```
see: IBorderRadius
see: IBorderWidth
see: BorderRadius
see: BorderWidth
example: Using the mixins ```ts import { ViewStyle } from 'react-native'; import { Theme } from '@ef-carbon/react-native-style'; const theme = new Theme({ base: 'blue' }); const style: ViewStyle = { ...theme.border.width.normal, ...theme.border.radius.normal, }); ```