🍱 Optimize images sizes (#651)

* [ImgBot] Optimize images

*Total -- 298.17kb -> 217.55kb (27.04%)

/docs/img/data/2.png -- 16.25kb -> 6.90kb (57.56%)
/docs/img/data/1.png -- 15.07kb -> 6.53kb (56.7%)
/docs/img/header.svg -- 1.88kb -> 0.96kb (49.01%)
/docs/img/data/3.png -- 97.52kb -> 60.15kb (38.32%)
/docs/img/logo.png -- 109.79kb -> 88.22kb (19.65%)
/docs/img/license.png -- 21.91kb -> 19.06kb (12.99%)
/docs/img/sponsor.svg -- 35.74kb -> 35.74kb (0%)

Signed-off-by: ImgBotApp <ImgBotHelp@gmail.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Delete docs/img/sponsor.svg

* Update header.svg

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Signed-off-by: ImgBotApp <ImgBotHelp@gmail.com>
Co-authored-by: ImgBotApp <ImgBotHelp@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Yasser Tahiri <yasserth19@gmail.com>