Create a project for benchmarking

[MatthewMckee4]

Currently, we use open source projects for benchmarking. This has it's downside though.

Creating our own medium sized project would be very useful for benchmarking, and could maybe mean we could remove our real world project benchmarks.

[MatthewMckee4]

I have created https://github.com/karva-dev/karva-benchmark-1. This should work.

I think we should replace all current benchmarks with just this