[WIP] Add homepage for listing all projects

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

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This section details on the original issue you should resolve

<issue_title>feat: Projects homepage</issue_title>
<issue_description>A homepage matching the style of the main https://sillylittle.tech website listing all of the projects hosted under the page projects.sillylittle.tech, including these repos;

• /Portf/
• /oldClassic/
• /CookieCut/
• /Flean

This page should include a back button to return to https://sillylittle.tech, just like a native page. </issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes feat: Projects homepage lander#34

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