[ImgBot] Optimize images

*Total -- 466.27kb -> 374.31kb (19.72%)

/public/twitter.png -- 179.05kb -> 131.33kb (26.65%)
/public/og.png -- 167.89kb -> 123.77kb (26.28%)
/public/favicon.svg -- 1.41kb -> 1.32kb (6.71%)
/public/terminal.svg -- 117.91kb -> 117.89kb (0.02%)

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

Author: ImgBotApp