[ImgBot] Optimize images

*Total -- 338.91kb -> 297.50kb (12.22%)

/public/assets/imgs/been-map.jpg -- 190.21kb -> 159.82kb (15.98%)
/diagram.svg -- 148.70kb -> 137.68kb (7.41%)

Signed-off-by: ImgBotApp <[email protected]>

Author: ImgBotApp