[#27] Add personality to hero section

[cguliuzza]

Fixes #27

Description

Make the Hero More Personal:

• Have fun with the copy.
• Move header nav in front of hero with z-index
• Add link to Really Good Emails
• Add second CTA button
• Add mailto: links on CTA buttons

Motivation and Context

😸 FUN 😸

☆☆☆ Before ☆☆☆

★★★ After ★★★

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Name	Status	Preview	Comments	Updated
tina-dev-site	✅ Ready (Inspect)	Visit Preview	💬 Add your feedback	Mar 16, 2023 at 8:29PM (UTC)