[ImgBot] Optimize images

*Total -- 494.82kb -> 445.80kb (9.91%)

/app/src/main/res/drawable-v24/rtr.png -- 4.54kb -> 2.59kb (43.05%)
/app/src/main/res/drawable-v24/ab.png -- 2.98kb -> 1.83kb (38.53%)
/app/src/main/res/drawable-v24/apphd.png -- 90.12kb -> 64.79kb (28.11%)
/app/src/main/res/drawable-v24/purple.png -- 12.66kb -> 10.16kb (19.76%)
/app/src/main/app_icon-playstore.png -- 110.31kb -> 97.80kb (11.35%)
/app/src/main/res/drawable-v24/logogradhd.png -- 50.13kb -> 47.50kb (5.23%)
/app/src/main/res/mipmap-xxxhdpi/app_icon_foreground.png -- 48.29kb -> 47.13kb (2.38%)
/app/src/main/res/drawable/sampleprojectdp.jpeg -- 16.87kb -> 16.56kb (1.81%)
/app/src/main/res/mipmap-xxhdpi/app_icon_foreground.png -- 25.80kb -> 25.40kb (1.56%)
/app/src/main/res/drawable/bg2.jpg -- 71.38kb -> 70.54kb (1.18%)
/app/src/main/res/mipmap-xhdpi/app_icon_foreground.png -- 10.93kb -> 10.83kb (0.97%)
/app/src/main/res/mipmap-hdpi/app_icon_foreground.png -- 6.37kb -> 6.31kb (0.91%)
/app/src/main/res/mipmap-xxxhdpi/app_icon.png -- 22.22kb -> 22.18kb (0.18%)
/app/src/main/res/mipmap-xxxhdpi/app_icon_round.png -- 22.22kb -> 22.18kb (0.18%)

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

Author: ImgBotApp