Update README.md, use next script tag

[21e8]

Hi,

I had some problems loading with the instructions given in the readme.
This seems to work better for me on nextjs.

Regards

[vercel]

@21e8 is attempting to deploy a commit to the Million Team on Vercel.

A member of the Team first needs to authorize it.

[heyglassy]

Hi,

I had some problems loading with the instructions given in the readme. This seems to work better for me on nextjs.

Regards

For some reason Arc wasn't displaying the re-renders but was loading the script. This ended up fixing that issue. Thank you!

Edit: Nope I take that back it breaks re-rendering.

[kewldan]

If you don't specify strategy at all, the script will run normally, thus not increasing the “initial HTML from the server” following Next.JS Docs. Also you don't have to specify Script in the head tag, because in your case, when beforeInteractive is specified, Script will be automatically moved to the head, also following the above documentation

So I Think u can just remove strategy and async to ensure that script will work as designed. But avoiding eslint warnings