Add performance test

[Doumor]

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[gamedevsam]

Where's the code / scripts / instructions on how to actually run the benchmarks?

[helly0d]

In order to be able to compare data, could you please add a benchmark for uWebSockets.js so that we can compare what is the impact in performance?

Other than that, looks nice and neat.

[Doumor]

I'm sorry, I missed that. Haven't logged into github in a while.

I think I can, but it's been quite a while.... It probably says right there in the test results how to execute the tests. The only thing is, I hardly provided instructions on how to install the utility.

Other than that, I'd be happy to correct anything if required.