[ImgBot] Optimize images

[imgbot[bot]]

Beep boop. Your images are optimized!

Your image file size has been reduced by 11% 🎉

Details

File	Before	After	Percent reduction
/image/logo.png	119.01kb	80.06kb	32.73%
/image/working.gif	148.22kb	142.24kb	4.04%
/image/installation.gif	144.79kb	143.50kb	0.89%
Total :	412.02kb	365.80kb	11.22%

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