[ImgBot] Optimize images

*Total -- 176.29kb -> 145.20kb (17.63%)

/Images/RoundRightFull.png -- 19.33kb -> 15.03kb (22.23%)
/Images/RoundRectFull.png -- 18.68kb -> 14.64kb (21.63%)
/Images/RoundRight.png -- 64.94kb -> 53.46kb (17.67%)
/Images/RoundRect.png -- 64.43kb -> 53.18kb (17.46%)
/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -- 8.91kb -> 8.89kb (0.28%)

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

Author: ImgBotApp