Update our example with the latest version of `arcade-js`. This means we
can delete all the utility functions we created here, since we now have
first-class `Zod` support and they are no longer needed.
> [!WARNING]
> Don't merge until this
[PR](https://github.com/ArcadeAI/arcade-js/pull/127) is merged.
It is unnecessary to call `arcadeClient.tools.list` first and then
`arcadeClient.tools.formatted.get` for each tool. We can simply use the
`arcadeClient.tools.formatted.list` function.
