add spacer

[sforschen]

Please always provide the GitHub issue(s) your PR is for, as well as test URLs where your change can be observed (before and after):

Fix #240

Test URLs:

• Before: https://main--elixirsolutions--hlxsites.hlx.live/
• After: https://spacer--elixirsolutions--hlxsites.hlx.live/

[aem-code-sync[bot]]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed. In case there are problems, just click a checkbox below to rerun the respective action.

• [ ] Re-run PSI checks
• [ ] Re-sync branch

Commits

* [fb6a13a](https://github.com/hlxsites/elixirsolutions/pull/241/commits/fb6a13a3f7cc54d2cb1acc178ec34d6f48eed8ec) :white_check_mark: (latest)

[aem-code-sync[bot]]

Page	Scores	Audits	Google
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[sforschen]

@janefrommaine this page shows the spacers in use https://spacer--elixirsolutions--hlxsites.hlx.live/drafts/members on this page before the footnote https://spacer--elixirsolutions--hlxsites.hlx.page/member-blog/what-is-diabetes