[ImgBot] Optimize images

*Total -- 51,103.58kb -> 44,386.23kb (13.14%)

/mirage/layers/sky.png -- 13.38kb -> 0.61kb (95.45%)
/mirage/layers/1.png -- 16.61kb -> 1.60kb (90.39%)
/mirage/layers/5.png -- 16.76kb -> 2.42kb (85.58%)
/mirage/layers/3.png -- 17.28kb -> 4.25kb (75.4%)
/mirage/layers/sun-lite.png -- 19.87kb -> 5.15kb (74.11%)
/mirage/layers/sun.png -- 18.77kb -> 5.42kb (71.13%)
/sentientonion/instagram.png -- 25.70kb -> 19.41kb (24.47%)
/sentientonion/ladakh.png -- 8,343.00kb -> 6,687.78kb (19.84%)
/sentientonion/boatonriver.png -- 2,029.01kb -> 1,699.24kb (16.25%)
/sentientonion/mooncat.png -- 16,454.61kb -> 14,255.38kb (13.37%)
/mirage/layers/7.png -- 163.60kb -> 143.12kb (12.52%)
/mirage/layers/9.png -- 130.81kb -> 115.63kb (11.6%)
/sentientonion/lonelygirl.png -- 20,415.03kb -> 18,153.30kb (11.08%)
/mirage/layers/4.png -- 34.14kb -> 30.36kb (11.07%)
/mirage/layers/6.png -- 97.58kb -> 87.46kb (10.37%)
/mirage/layers/12.png -- 36.48kb -> 33.16kb (9.1%)
/mirage/layers/8.png -- 156.99kb -> 143.49kb (8.6%)
/mirage/layers/2.png -- 117.87kb -> 108.14kb (8.25%)
/flowlogo.png -- 86.14kb -> 79.06kb (8.22%)
/mirage/layers/11.png -- 53.64kb -> 51.44kb (4.11%)
/sentientonion/uniface.png -- 2,806.44kb -> 2,711.43kb (3.39%)
/mirage/layers/10.png -- 49.88kb -> 48.39kb (2.98%)

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

Author: ImgBotApp