[ImgBot] Optimize images

*Total -- 1,231.00kb -> 876.85kb (28.77%)

/docs/micro-services/images/Before-and-after-migration.png -- 142.99kb -> 94.78kb (33.72%)
/images/Before-and-after-migration.png -- 142.99kb -> 94.78kb (33.72%)
/docs/micro-services/images/30103116_ZCcM.png -- 364.15kb -> 249.19kb (31.57%)
/images/30103116_ZCcM.png -- 364.15kb -> 249.19kb (31.57%)
/images/Law-of-Holes.png -- 108.36kb -> 94.46kb (12.83%)
/docs/micro-services/images/Law-of-Holes.png -- 108.36kb -> 94.46kb (12.83%)
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