feat(ecg): Super basic ecg log plotter

The most basic ECG plotter I can think of.

added 45 commits

• 26bcc35e...3cc52e92 - 44 commits from branch master
• 22dd59f6 - feat(ecg): Super basic ecg log plotter

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Looks good to me! Thanks for keeping our codebase clean.

However, I'm only a bot - so a human will still have to approve this request.

merged

mentioned in commit c7e40e27

Sorry for the delay!