[ImgBot] Optimize images

*Total -- 251.30kb -> 212.33kb (15.51%)

/documentation/coc-wordpress-backend.png -- 2.53kb -> 0.99kb (60.75%)
/coc/assets/images/rotate_270.png -- 21.70kb -> 13.46kb (37.96%)
/coc/assets/images/rotate_180.png -- 22.25kb -> 13.96kb (37.26%)
/coc/assets/images/rotate_90.png -- 21.95kb -> 13.80kb (37.11%)
/coc/assets/images/rotate_0.png -- 19.15kb -> 12.32kb (35.63%)
/coc/assets/images/flags/ai.png -- 21.27kb -> 17.63kb (17.11%)
/coc/assets/images/flags/ps.png -- 3.75kb -> 3.12kb (16.65%)
/wordpress/themes/humanconnection/assets/images/logo-vertical.svg -- 9.89kb -> 9.04kb (8.66%)
/wordpress/themes/humanconnection/vendor/acf/assets/font/acf.svg -- 5.45kb -> 5.12kb (5.99%)
/wordpress/themes/humanconnection/assets/images/donate-middle.png -- 1.17kb -> 1.10kb (5.59%)
/coc/assets/images/flags/pk.png -- 7.63kb -> 7.41kb (2.8%)
/coc/assets/images/flags/mn.png -- 5.91kb -> 5.82kb (1.44%)
/coc/assets/images/flags/bw.png -- 0.51kb -> 0.51kb (0.57%)
/coc/assets/images/logobubble.jpg -- 10.37kb -> 10.35kb (0.26%)
/coc/assets/images/coc-placeholder.jpg -- 16.10kb -> 16.08kb (0.13%)
/coc/assets/images/HC-World.svg -- 81.69kb -> 81.61kb (0.09%)

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