[ImgBot] Optimize images

*Total -- 4,587.89kb -> 3,525.15kb (23.16%)

/public/projects/king-mart.shop.png -- 1,507.06kb -> 1,110.00kb (26.35%)
/public/projects/red-ant-express.com.kh.png -- 1,318.98kb -> 1,024.13kb (22.35%)
/public/assets/cover/home.png -- 595.30kb -> 468.15kb (21.36%)
/public/assets/screenshots/home-dark.png -- 576.43kb -> 455.93kb (20.9%)
/public/assets/screenshots/home-light.png -- 590.12kb -> 466.93kb (20.87%)

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

Author: ImgBotApp