[ImgBot] Optimize images

*Total -- 97.58kb -> 81.53kb (16.45%)

/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -- 10.24kb -> 7.68kb (24.95%)
/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -- 7.01kb -> 5.38kb (23.31%)
/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png -- 16.85kb -> 13.05kb (22.53%)
/app/src/main/res/mipmap-xhdpi/ic_launcher.png -- 3.34kb -> 2.64kb (21.08%)
/app/src/main/res/mipmap-hdpi/ic_launcher.png -- 2.53kb -> 2.00kb (21.03%)
/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png -- 12.40kb -> 9.95kb (19.72%)
/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png -- 6.11kb -> 5.04kb (17.54%)
/app/src/main/res/mipmap-hdpi/ic_launcher_round.png -- 4.52kb -> 3.86kb (14.57%)
/app/src/main/res/mipmap-mdpi/ic_launcher_round.png -- 2.43kb -> 2.23kb (8.4%)
/Screenshot.png -- 32.15kb -> 29.70kb (7.62%)

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

Author: ImgBotApp