[ImgBot] Optimize images

*Total -- 218.70kb -> 100.41kb (54.09%)

/bitscuit/src/main/res/drawable/bgmains.png -- 52.45kb -> 19.98kb (61.91%)
/app/src/main/res/drawable/bgmains.png -- 52.45kb -> 19.98kb (61.91%)
/bitscuit/src/main/res/drawable/mainbg.png -- 34.45kb -> 13.78kb (59.99%)
/app/src/main/res/drawable/mainbg.png -- 34.45kb -> 13.78kb (59.99%)
/bitscuit/src/main/res/drawable/foregrnd.png -- 9.40kb -> 5.88kb (37.49%)
/app/src/main/res/drawable/foregrnd.png -- 9.40kb -> 5.88kb (37.49%)
/bitscuit/src/main/res/drawable/foregndtwo.png -- 9.88kb -> 7.71kb (21.96%)
/app/src/main/res/drawable/foregndtwo.png -- 9.88kb -> 7.71kb (21.96%)
/bitscuit/src/main/res/drawable/insta.png -- 1.15kb -> 1.02kb (11.71%)
/app/src/main/res/drawable/insta.png -- 1.15kb -> 1.02kb (11.71%)
/bitscuit/src/main/res/drawable/linked.png -- 0.73kb -> 0.67kb (8.93%)
/app/src/main/res/drawable/linked.png -- 0.73kb -> 0.67kb (8.93%)
/bitscuit/src/main/res/drawable/globe.png -- 1.28kb -> 1.17kb (8.67%)
/app/src/main/res/drawable/globe.png -- 1.28kb -> 1.17kb (8.67%)

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

Author: ImgBotApp