[ImgBot] Optimize images

[imgbot[bot]]

Beep boop. Your images are optimized!

Your image file size has been reduced by 8% 🎉

Details

File	Before	After	Percent reduction
/export/pics/showcase2.png	401.54kb	310.38kb	22.70%
/export/explaination/explaination.jpg	640.61kb	514.28kb	19.72%
/export/pics/showcase1.png	719.72kb	704.63kb	2.10%
/export/pics/bottom.png	714.10kb	699.99kb	1.98%
/export/pics/top.png	721.46kb	707.79kb	1.89%
Total :	3,197.42kb	2,937.06kb	8.14%

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