[ImgBot] Optimize images

[imgbot[bot]]

Beep boop. Your images are optimized!

Your image file size has been reduced by 52% 🎉

Details

File	Before	After	Percent reduction
/assets/model.png	27.50kb	9.38kb	65.90%
/assets/encoder.png	9.50kb	3.34kb	64.82%
/assets/decoder.png	23.24kb	11.96kb	48.55%
/assets/test.png	52.35kb	28.81kb	44.96%
Total :	112.58kb	53.48kb	52.49%

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