Add global error boundary

[joelpeace48-cell]

Add a React error boundary that catches render errors and shows a friendly message and a "Retry" or "Go home" action.

[Jonniie]

@Jonniie has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

Hi there, can I work on this please?

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Jonniie to this issue.