[ImgBot] Optimize images

*Total -- 1,046.83kb -> 638.49kb (39.01%)

/docs/static/media/demo-screenshot-desktop-1.75b9e754.png -- 168.89kb -> 93.71kb (44.51%)
/src/pages/MaterialDocsLanding/images/demo-screenshot-desktop-1.png -- 168.89kb -> 93.71kb (44.51%)
/src/pages/MaterialDocsLanding/images/MaterialDocsLogoOverview.png -- 7.29kb -> 4.23kb (41.97%)
/docs/static/media/demo-screenshot-desktop-2.60a08a71.png -- 186.73kb -> 108.39kb (41.95%)
/src/pages/MaterialDocsLanding/images/demo-screenshot-desktop-2.png -- 186.73kb -> 108.39kb (41.95%)
/docs/static/media/demo-screenshot-mobile.4329839e.png -- 134.80kb -> 87.10kb (35.39%)
/src/pages/MaterialDocsLanding/images/demo-screenshot-mobile.png -- 134.80kb -> 87.10kb (35.39%)
/public/favicon.png -- 2.39kb -> 1.59kb (33.36%)
/docs/favicon.png -- 2.39kb -> 1.59kb (33.36%)
/src/logo.svg -- 1.02kb -> 0.81kb (20.27%)
/docs/static/media/logo.2feef8f6.svg -- 1.02kb -> 0.81kb (20.27%)
/docs/static/media/GithubBannerWide.82227eef.png -- 25.95kb -> 25.52kb (1.66%)
/src/examples/Images/images/GithubBannerWide.png -- 25.95kb -> 25.52kb (1.66%)

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