README

Copied from https://github.com/krausest/js-framework-benchmark

It should ideally stay/be updated to always match what is on https://github.com/krausest/js-framework-benchmark Except the fixes required to tun using unreleased yew version.

If you want to improve benchmarks, consider first opening a PR to https://github.com/krausest/js-framework-benchmark and only then sync this package with it.