Updating home page/logged out page with new layouts

[jtkabenni]

For an example of how to fill this template out, see this Pull Request.

Description

• Updating home page and logged out page according to low fidelity mockups.
• Removed nav links
• H1 is now link back to home page

Related Issue

87

Acceptance Criteria

Type of Changes

Design update.

Updates

Before

Logged out page

Logged in home page.

After

Home page

Logged out page

Testing Steps / QA Criteria

• View home page after logging in
• Log out and view logged out page

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit f5f7ae2):

https://tcl-67-smart-shopping-list--pr91-feature-homepage-lof-7xdxd5rk.web.app

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