blockify top level db setup instructions

[Dedekind561]

What does this change?

See description

Rendered pages

https://deploy-preview-690--cyf-curriculum.netlify.app/databases/prep/

Common Content?

• ubtuntu-setup
• macos-setup

Org Content?

Databases --> prep

Module | Sprint | Page Type | Block Type

Checklist

• I have read the contributing guidelines
• I have checked my spelling and grammar with an automated tool
• I have previewed my changes to check the markdown renders as I intend
• I have run my code to check it works
• My changes follow our Style Guide

Who needs to know about this?

[netlify]

✅ Deploy Preview for cyf-curriculum ready!

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Lighthouse	1 paths audited Performance: 85 (🔴 down 12 from production) Accessibility: 100 (no change from production) Best Practices: 92 (no change from production) SEO: 82 (no change from production) PWA: - View the detailed breakdown and full score reports

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[SallyMcGrath]

LGTM