tooling: Benchmark visualization script

[bobluppes]

This PR adds a python script under tools/, which can be used to visualize google benchmark data. An example plot can be found below.

Not very familiar with python, so any improvement suggestions are more than welcome.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (9fdce58) 99.70% compared to head (802180a) 99.70%.
Report is 1 commits behind head on main.

Additional details and impacted files

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see 1 file with indirect coverage changes

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[joweich]

@bobluppes Bear with me, I've been very picky with my comments. In general, I think there are some low hanging opportunities to make the code more python-idiomatic. Happy to give it a shot and add my proposal to this PR!

[joweich]

There's definitely still some potential for additional checks and capabilities, esp. automatic inference of skiprows, but I think it's fine for now.

[bobluppes]

There's definitely still some potential for additional checks and capabilities, esp. automatic inference of skiprows, but I think it's fine for now.

Thanks for improving this, it looks much more pythonic now 🐍

Added a very minor change such that we can now glob subdirectories as I just changed to the following build layout

build
 |_ Debug
 |_ Release