Pretty big commit. What I've done:

- Split server and client into two separate packages.
- Update README with info on how to start dev server locally
- Client
	- Update react-router-dom to v6
	- Separate page components from UI components
	- Add "proxy" field to package.json for proxying api requests to the backend server
- Server
	- Update path of static file serving to new client directory
	- Update scripts