[ImgBot] Optimize images

*Total -- 1,079.33kb -> 926.90kb (14.12%)

/public/assets/imgs/blog/sw-timeline.jpg -- 839.21kb -> 711.91kb (15.17%)
/public/assets/imgs/blog/sw-howlongtobeat.jpeg -- 98.96kb -> 84.24kb (14.87%)
/diagram.svg -- 141.16kb -> 130.75kb (7.37%)

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

Author: ImgBotApp