Add about page, fix nextlinks

[LanesGood]

This PR:

1. Adds an About page with background on the project, references and links to Github and project supporters with logos
2. Ensures that the Next <Link> Component always joins the environment variable APP_URL to the href target
   • Note: Item 2 is likely required for all non-standard environments
3. Updates styles on links, text styles, and page navigation buttons
4. Removes unused icons
5. Replaces the SVGSquare component with the Badge component

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Name	Status	Preview	Comments	Updated
osm-teams	✅ Ready (Inspect)	Visit Preview	💬 Add your feedback	Mar 11, 2023 at 2:45AM (UTC)

[LanesGood]

@kamicut please feel free to add to/edit/contribute content for the about page in addition to review

[kamicut]

@LanesGood thanks for the PR! In NextJS, we use the basePath to ensure that Links are correctly formed https://nextjs.org/docs/api-reference/next.config.js/basepath, so we don't need to join the APP_URL with the link path. Is this required for a specific reason in your commit?

[LanesGood]

@kamicut I was simply following the pattern established on other NextLinks throughout the app.

[LanesGood]

@kamicut per our conversation, I've removed all instances of joined APP_URL's from any Nextjs <Link> href in the latest commit.