Fix IMU timestamps (128 Hz, align to timer events), robust scaling, new session charts + desktop/mobile report, WIB times, km/j speeds

Model card: link the Garmin recording app (github.com/omayib/badak)

Model card: add 'Choosing a model' section

Rewrite model card: the story, Garmin preprocessing, Colab notebook, HR + strokes chart

Remove stray __pycache__ files

Add badminton stroke classifiers (13 models + overhead gate), code, model card and benchmark

initial commit