message: add link to icon + text in header
diff: import React from 'react'
  import Octicon, {MarkGithub} from '@githubprimer/octicons-react'
  import NextLink from 'next/link'
  -import {Text, FlexContainer, Button, Sticky} from '../../src'
  +import {Text, FlexContainer, Button, Link, Sticky} from '../../src'
  /*
  import {name, repository, version} from '../../package.json'
  @@ -13,12 +13,16 @@ const releaseURL = `https://github.com/${repository}/releases/v${version}`
  const Header = () => (
  <Sticky zIndex={100}>
  <FlexContainer p={1} alignItems="center" justifyContent="space-between" bg="black" color="white">
  - <FlexContainer ml={4} alignItems="center">
  + <NextLink href="/components">
  + <Link className="text-white" nounderline href="/components">
  + <FlexContainer ml={4} alignItems="center" justifyContent="center">
  <Octicon size="medium" icon={MarkGithub} className="mr-3" />
  <Text>Primer Components</Text>
  </FlexContainer>
  + </Link>
  + </NextLink>
  <div>
  - <NextLink href="/docs">
  + <NextLink href="/components">
  <Button linkStyle color="white" py={3} px={4}>
  Docs
  </Button>
  