Update tsconfig.json to use "react-jsx" for JSX.

[jckw]

This allows React to be used within JSX files without having to import it directly. This has been possible since v17.

Without it, opening this repo in an editor with TS typechecking available shows a lot of red lines.

[codyebberson]

Hi @jckw - thanks for the contribution!

This repo is derived from our monorepo at https://github.com/medplum/medplum - it is automatically synchronized on versioned releases.

Would you mind opening a PR there? No worries if that's too much trouble, we can do it as well.

Thanks, and apologies for the confusion.

[jckw]

It looks like it already exists in your monorepo example: https://github.com/medplum/medplum/blob/main/examples/medplum-hello-world/tsconfig.json#L16

Possibly an issue with the syncing then / due a re-sync