[ImgBot] Optimize images

*Total -- 850.38kb -> 665.40kb (21.75%)

/media/logo.png -- 4.59kb -> 2.73kb (40.49%)
/media/screenshot_disrupted.png -- 256.77kb -> 197.53kb (23.07%)
/media/screenshot_default.png -- 288.61kb -> 223.10kb (22.7%)
/media/screenshot_blade.png -- 256.42kb -> 204.96kb (20.07%)
/media/linuxIcons/256x256.png -- 9.44kb -> 7.75kb (17.96%)
/media/linuxIcons/512x512.png -- 19.83kb -> 16.54kb (16.59%)
/media/linuxIcons/128x128.png -- 4.63kb -> 3.89kb (16.12%)
/media/linuxIcons/64x64.png -- 2.51kb -> 2.11kb (15.63%)
/media/linuxIcons/96x96.png -- 3.42kb -> 2.93kb (14.15%)
/media/linuxIcons/48x48.png -- 1.91kb -> 1.65kb (13.53%)
/media/linuxIcons/32x32.png -- 1.28kb -> 1.24kb (3.21%)
/media/linuxIcons/24x24.png -- 0.97kb -> 0.95kb (1.62%)

Author: ImgBotApp