[ImgBot] Optimize images

*Total -- 1,067.24kb -> 954.16kb (10.6%)

/public/img/explore/paris-saint-germain.png -- 40.55kb -> 29.51kb (27.21%)
/public/icons/favicon-128x128.png -- 3.66kb -> 2.67kb (26.92%)
/public/img/explore/manchester_united.png -- 50.54kb -> 38.63kb (23.57%)
/public/icons/favicon-96x96.png -- 2.83kb -> 2.19kb (22.36%)
/public/img/explore/barcelona.png -- 24.90kb -> 20.25kb (18.68%)
/public/preview/responsive.jpg -- 86.86kb -> 74.61kb (14.1%)
/public/preview/demo.jpg -- 209.67kb -> 180.66kb (13.84%)
/public/icons/twitter.svg -- 1.29kb -> 1.15kb (10.91%)
/public/img/notification/easport.jpg -- 137.11kb -> 122.66kb (10.54%)
/public/img/explore/real_madrid.png -- 51.45kb -> 46.03kb (10.53%)
/public/img/follow/manchester_united.jpg -- 126.12kb -> 113.37kb (10.11%)
/public/img/follow/cristiano_ronaldo.jpg -- 104.34kb -> 99.96kb (4.2%)
/public/img/follow/mark_zuckerberg.jpg -- 64.15kb -> 62.06kb (3.27%)
/public/img/explore/tenis.jpg -- 67.56kb -> 65.51kb (3.04%)
/public/img/notification/usaint_bolt.jpg -- 17.31kb -> 17.01kb (1.77%)
/public/img/github_preview.png -- 74.54kb -> 73.58kb (1.29%)
/src/assets/quasar-logo-vertical.svg -- 4.35kb -> 4.32kb (0.76%)

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

Author: ImgBotApp