ONS postcode data May 2024 and new constituency data

I've uploaded the latest ONS postcode data to the site. I've run my usual sanity checks and everything appears OK but let me know if you spot anything weird.

To celebrate the upcoming election and because I've had a few requests for them, I've added data for new constituencies to the site. The pages are a little sparse at the moment but if all you require is CSV data for a constituency, you should be good to go.