[ImgBot] Optimize images

*Total -- 39.50kb -> 27.76kb (29.71%)

/MovieSearch/927tanmay/public/logo192.png -- 8.38kb -> 5.10kb (39.13%)
/MovieSearch/927tanmay/public/logo512.png -- 22.38kb -> 14.05kb (37.24%)
/MovieSearch/927tanmay/src/components/spinner.gif -- 8.73kb -> 8.61kb (1.35%)

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

Author: ImgBotApp