message: Use Link from core-components
diff: import React from 'react';
  import { Button, makeStyles, Typography } from '@material-ui/core';
  import { BackstageTheme } from '@backstage/theme';
  +import { Link } from '../Link';
  import { EmptyState } from './EmptyState';
  import { CodeSnippet } from '../CodeSnippet';
  @@ -73,11 +74,9 @@ export const MissingAnnotationEmptyState = ({ annotation }: Props) => {
  />
  </div>
  <Button
  - variant="contained"
  color="primary"
  - href="https://backstage.io/docs/features/software-catalog/well-known-annotations"
  - target="_blank"
  - rel="noopener noreferrer"
  + component={Link}
  + to="https://backstage.io/docs/features/software-catalog/well-known-annotations"
  >
  Read more
  </Button>
  