Add error boundary and update 404 page

[LanesGood]

This PR:

• adds a React ErrorBoundary around components to catch unhandled errors
• styles and renames the uh-oh 404 page to ensure it is used
• catches errors on the /teams/:id/profile edit page

Todo:

• [ ] prompt users to log in when visiting auth-required pages

Contributes to #406

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Name	Status	Preview	Updated
osm-teams	✅ Ready (Inspect)	Visit Preview	Mar 15, 2023 at 7:14PM (UTC)