[ImgBot] Optimize images

[ImgBot] Optimize images

*Total -- 140.66kb -> 97.46kb (30.71%)

/docs/img/warn.svg -- 3.87kb -> 1.90kb (50.81%)
/docs/img/design.svg -- 30.10kb -> 19.69kb (34.57%)
/docs/img/chain.svg -- 47.84kb -> 32.16kb (32.77%)
/docs/img/tree.svg -- 38.56kb -> 26.89kb (30.27%)
/docs/img/GitHub-Mark-Light-120px-plus.png -- 3.95kb -> 2.93kb (25.72%)
/docs/img/logo_validador_og.png -- 12.58kb -> 10.44kb (17.02%)
/docs/img/logo_validador_fort.svg -- 3.77kb -> 3.44kb (8.71%)

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