fix: exported module name

[broerjuang]

Change the module export name to loader, action, and ErrorBoundary to match with Remix convention.

[oedotme]

Thanks for the update, it was the case initially having them lowercased loader, action but there was an issue with Vite's HMR that causes issues while updating those functions, here's the related issue #5

The new HMR implementation that will make it work while lowercased is still experimental afaik, but hopefully soon we can have it back. Also I think as we're using React Router, it makes more sense to follow its route definition API:

So we'd then go with loader, action and ErrorElement (same but w/ first letter capitalized as it's a React component)

[oedotme]

Now we have the core exported, you can rename the exports and update the module types using a custom integration if you still need that, #28 is a related issue that has a usage example.