[ImgBot] Optimize images

*Total -- 7,676.45kb -> 7,304.48kb (4.85%)

/Automatic Certificate Generator/certificate.png -- 156.67kb -> 95.49kb (39.05%)
/Automatic Certificate Generator/pictures/John Doe.png -- 158.40kb -> 98.92kb (37.55%)
/Automatic Certificate Generator/pictures/Ramesh Kumar.png -- 161.15kb -> 100.83kb (37.43%)
/Automatic Certificate Generator/pictures/Achalesh Lakhotiya.png -- 163.08kb -> 102.32kb (37.26%)
/Matrix-rain-code/matrix.gif -- 6,789.12kb -> 6,660.08kb (1.9%)
/Telegram-Bot/pic3 (1).jpeg -- 65.97kb -> 64.99kb (1.5%)
/Telegram-Bot/pic1 (1).jpeg -- 80.67kb -> 80.49kb (0.22%)
/Telegram-Bot/pic2 (1).jpeg -- 101.40kb -> 101.37kb (0.03%)

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

Author: ImgBotApp