[ImgBot] Optimize images

*Total -- 2,978.00kb -> 1,836.77kb (38.32%)

/public/images/2025-pre-round-2nd/mid.png -- 20.64kb -> 5.27kb (74.46%)
/public/images/2025-pre-round-1st/05-2.png -- 691.52kb -> 217.34kb (68.57%)
/public/images/2024-final-round/azw.png -- 10.28kb -> 3.60kb (64.97%)
/public/images/2024-pre-round-2nd/got-2.png -- 121.08kb -> 43.42kb (64.14%)
/public/images/2024-pre-round-2nd/got-3.png -- 239.91kb -> 90.89kb (62.12%)
/public/images/2024-pre-round-2nd/mys.png -- 11.44kb -> 4.60kb (59.75%)
/public/images/2025-pre-round-2nd/rvt.png -- 24.43kb -> 13.03kb (46.69%)
/public/images/2025-pre-round-1st/05-1.png -- 114.38kb -> 64.74kb (43.41%)
/public/images/2025-pre-round-1st/02.png -- 125.45kb -> 78.69kb (37.27%)
/public/images/2024-final-round/xet.png -- 88.33kb -> 57.17kb (35.27%)
/public/images/2025-pre-round-2nd/mtm.png -- 21.58kb -> 14.20kb (34.21%)
/public/images/2024-final-round/mgi.png -- 94.04kb -> 62.64kb (33.39%)
/public/images/2025-pre-round-2nd/mtm-solution.png -- 33.52kb -> 22.74kb (32.18%)
/public/images/2025-pre-round-2nd/mpt.png -- 140.50kb -> 95.66kb (31.92%)
/public/images/2025-pre-round-1st/12.png -- 18.67kb -> 12.79kb (31.51%)
/public/images/2025-pre-round-1st/15.png -- 26.94kb -> 19.27kb (28.46%)
/public/images/2024-pre-round-2nd/got-1.png -- 108.84kb -> 83.85kb (22.96%)
/public/images/2024-pre-round-2nd/isi.png -- 41.25kb -> 32.94kb (20.13%)
/public/images/2025-pre-round-1st/11.png -- 34.22kb -> 27.41kb (19.9%)
/public/images/2025-pre-round-1st/22.png -- 28.87kb -> 23.35kb (19.14%)
/public/images/2024-final-round/mkp.png -- 23.67kb -> 19.46kb (17.76%)
/public/images/2025-pre-round-1st/10.png -- 69.56kb -> 57.79kb (16.92%)
/public/images/2025-pre-round-1st/20-5.jpg -- 44.00kb -> 37.23kb (15.39%)
/public/images/2025-pre-round-1st/20-3.jpg -- 97.25kb -> 82.36kb (15.32%)
/public/images/2025-pre-round-1st/20-4.jpg -- 99.45kb -> 84.55kb (14.98%)
/public/images/2025-pre-round-1st/20-2.jpg -- 102.51kb -> 87.68kb (14.47%)
/public/images/2025-pre-round-1st/20-1.jpg -- 131.65kb -> 113.92kb (13.47%)
/public/images/2024-final-round/oqc-shape-slices-sample.png -- 15.51kb -> 13.83kb (10.85%)
/public/images/2025-pre-round-2nd/slg.jpg -- 82.73kb -> 74.33kb (10.15%)
/public/images/2025-pre-round-1st/09.png -- 15.85kb -> 14.32kb (9.68%)
/public/images/2024-pre-round-2nd/kob.jpeg -- 67.15kb -> 61.33kb (8.67%)
/public/images/2025-pre-round-1st/34-2.svg -- 50.72kb -> 46.67kb (7.99%)
/public/images/2025-pre-round-1st/34-1.svg -- 54.75kb -> 50.47kb (7.82%)
/public/images/2025-pre-round-2nd/mid-solution.png -- 40.55kb -> 37.91kb (6.51%)
/public/images/2024-pre-round-2nd/yfj.png -- 86.75kb -> 81.33kb (6.24%)

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