[ImgBot] Optimize images

*Total -- 1,506.98kb -> 1,423.52kb (5.54%)

/projects/drum-kits/images/kick.png -- 51.90kb -> 34.01kb (34.47%)
/projects/drum-kits/images/tom.png -- 23.52kb -> 16.75kb (28.79%)
/projects/drum-kits/images/crash.png -- 19.10kb -> 13.97kb (26.86%)
/projects/photo-gallery/spinner.svg -- 0.62kb -> 0.48kb (23.27%)
/projects/amine-pics-generator/spinner.svg -- 0.62kb -> 0.48kb (23.08%)
/projects/drum-kits/images/snare.png -- 16.79kb -> 12.93kb (23.02%)
/projects/background-video/preloader.gif -- 85.78kb -> 76.33kb (11.02%)
/projects/background-image-scroll-effect/bg.jpg -- 1,243.83kb -> 1,203.88kb (3.21%)
/projects/sticky-navbar/logo.svg -- 19.50kb -> 19.46kb (0.21%)
/projects/navbar/logo.svg -- 22.65kb -> 22.61kb (0.16%)
/projects/sidebar/logo.svg -- 22.65kb -> 22.61kb (0.16%)

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

Author: ImgBotApp