message: add minWidth & maxWidth functions to TextInput
diff: @@ -5,7 +5,7 @@ import systemPropTypes from '@styled-system/prop-types'
  import {omit, pick} from '@styled-system/props'
  import styled, {css} from 'styled-components'
  import Octicon from './StyledOcticon'
  -import {variant, width} from 'styled-system'
  +import {variant, width, minWidth, maxWidth} from 'styled-system'
  import {COMMON, get} from './constants'
  import theme from './theme'
  @@ -120,6 +120,8 @@ const Wrapper = styled.span`
  }
  ${COMMON}
  ${width}
  + ${minWidth}
  + ${maxWidth}
  ${sizeVariants}
  `
  @@ -129,7 +131,9 @@ TextInput.propTypes = {
  block: PropTypes.bool,
  variant: PropTypes.oneOf(['small', 'large']),
  ...COMMON.propTypes,
  - width: systemPropTypes.layout.width
  + width: systemPropTypes.layout.width,
  + minWidth: systemPropTypes.layout.minWidth,
  + maxWidth: systemPropTypes.layout.maxWidth
  }
  export default TextInput
  