[ImgBot] Optimize images

*Total -- 6,906.08kb -> 6,892.31kb (0.2%)

/web/favicon.png -- 0.90kb -> 0.64kb (29.01%)
/images/pic1.png -- 262.97kb -> 254.21kb (3.33%)
/Videos1.gif -- 6,642.21kb -> 6,637.46kb (0.07%)

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

Author: ImgBotApp