[ImgBot] Optimize images

*Total -- 944.99kb -> 633.05kb (33.01%)

/71.png -- 107.98kb -> 54.74kb (49.3%)
/61.png -- 118.07kb -> 61.12kb (48.24%)
/91.png -- 203.32kb -> 106.48kb (47.63%)
/82.png -- 146.57kb -> 76.80kb (47.6%)
/111.png -- 146.25kb -> 127.19kb (13.03%)
/101.png -- 107.71kb -> 94.51kb (12.25%)
/93.png -- 100.75kb -> 98.14kb (2.58%)
/11.png -- 14.36kb -> 14.07kb (2.05%)

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

Author: ImgBotApp