message: Fix DataTable sort icon and create sortable prop for DataTableColumn
diff: @@ -55,6 +55,7 @@ storiesOf('Components', module)
  <DataTableColumn
  title='Profissional'
  name='nome'
  + sortable={true}
  render={(row: Row) => (
  <Text>{row.name}</Text>
  )}
  @@ -62,6 +63,7 @@ storiesOf('Components', module)
  <DataTableColumn
  title='CNS'
  name='cns'
  + sortable={true}
  render={(row: Row) => (
  <Text>{row.cns}</Text>
  )}
  @@ -69,6 +71,7 @@ storiesOf('Components', module)
  <DataTableColumn
  title='CPF'
  name='cpf'
  + sortable={true}
  render={(row: Row) => (
  <Text>{row.cpf}</Text>
  )}
  