[ImgBot] Optimize images (#204)

*Total -- 2,892.29kb -> 2,385.28kb (17.53%)

/exampleSite/assets/images/sections/skills/git.png -- 25.45kb -> 10.41kb (59.1%)
/assets/images/main-logo.png -- 12.86kb -> 5.50kb (57.2%)
/exampleSite/assets/images/sections/projects/toha.png -- 12.86kb -> 5.50kb (57.2%)
/exampleSite/assets/images/sections/skills/go.png -- 15.16kb -> 6.58kb (56.62%)
/exampleSite/assets/images/sections/skills/c++.png -- 97.47kb -> 56.46kb (42.08%)
/exampleSite/assets/images/site/favicon.png -- 6.52kb -> 4.12kb (36.78%)
/exampleSite/assets/images/site/inverted-logo.png -- 6.52kb -> 4.12kb (36.78%)
/assets/images/favicon.png -- 20.59kb -> 13.35kb (35.18%)
/assets/images/inverted-logo.png -- 20.59kb -> 13.35kb (35.18%)
/assets/images/theme-logo.png -- 20.59kb -> 13.35kb (35.18%)
/exampleSite/assets/images/author/jessica.png -- 7.97kb -> 6.01kb (24.62%)
/exampleSite/assets/images/author/john.png -- 7.73kb -> 6.25kb (19.15%)
/assets/images/default-background.jpg -- 1,427.74kb -> 1,154.80kb (19.12%)
/exampleSite/assets/images/sections/skills/kubernetes.png -- 279.62kb -> 235.54kb (15.76%)
/exampleSite/assets/images/sections/projects/kubernetes.png -- 279.62kb -> 235.54kb (15.76%)
/exampleSite/assets/images/sections/skills/prometheus.png -- 55.60kb -> 47.25kb (15.02%)
/exampleSite/assets/images/sections/projects/no-code.png -- 51.09kb -> 44.82kb (12.26%)
/assets/images/404.png -- 114.64kb -> 107.74kb (6.02%)
/exampleSite/assets/images/sections/achievements/woman-winner.jpg -- 87.81kb -> 83.21kb (5.24%)
/exampleSite/assets/images/site/main-logo.png -- 7.09kb -> 6.72kb (5.21%)
/exampleSite/assets/images/sections/achievements/sport.jpg -- 142.25kb -> 136.39kb (4.12%)
/assets/images/default-hero.jpg -- 72.20kb -> 69.41kb (3.87%)
/exampleSite/assets/images/sections/achievements/presenter.jpg -- 97.24kb -> 95.85kb (1.42%)
/assets/images/hugo-logo.svg -- 2.46kb -> 2.44kb (0.68%)
/assets/images/404.svg -- 20.61kb -> 20.56kb (0.23%)

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

Co-authored-by: ImgBotApp <ImgBotHelp@gmail.com>