[ImgBot] Optimize images

*Total -- 19,019.13kb -> 12,129.09kb (36.23%)

/docs/contests/assets/THUAI5/debug.png -- 59.98kb -> 27.38kb (54.36%)
/docs/contests/assets/THUAI5/no-debug.png -- 19.07kb -> 8.77kb (54.01%)
/docs/game/assets/minecraft/summer_tutorial/xorgate2.png -- 810.74kb -> 388.21kb (52.12%)
/docs/game/assets/minecraft/summer_tutorial/norgate.png -- 1,390.51kb -> 672.44kb (51.64%)
/docs/contests/assets/THUAI5/tool_1.png -- 43.17kb -> 21.22kb (50.85%)
/docs/contests/assets/THUAI6/LNK1000.png -- 3.04kb -> 1.52kb (49.97%)
/docs/contests/assets/THUAI7/faq/LNK1000.png -- 3.04kb -> 1.52kb (49.97%)
/docs/contests/assets/THUAI6/项目属性.png -- 40.79kb -> 20.56kb (49.59%)
/docs/contests/assets/THUAI7/faq/项目属性.png -- 40.79kb -> 20.56kb (49.59%)
/docs/contests/assets/THUAI5/tool_4.png -- 50.05kb -> 25.28kb (49.48%)
/docs/contests/assets/THUAI5/tool_2.png -- 5.91kb -> 3.07kb (48%)
/docs/contests/assets/THUAI7/intro/image-20230416010705076.png -- 5.18kb -> 2.70kb (47.88%)
/docs/contests/assets/THUAI6/image-20230416010705076.png -- 5.18kb -> 2.70kb (47.88%)
/docs/game/assets/minecraft/summer_tutorial/notgate.png -- 1,287.71kb -> 721.52kb (43.97%)
/docs/game/assets/minecraft/summer_tutorial/rsisrlock2.png -- 755.42kb -> 423.40kb (43.95%)
/docs/game/assets/minecraft/summer_tutorial/dlock.png -- 508.84kb -> 293.26kb (42.37%)
/docs/game/assets/minecraft/summer_tutorial/dtrigger.png -- 1,397.12kb -> 806.23kb (42.29%)
/docs/game/assets/minecraft/summer_tutorial/single2.png -- 1,037.28kb -> 605.84kb (41.59%)
/docs/game/assets/minecraft/summer_tutorial/single.png -- 965.55kb -> 573.28kb (40.63%)
/docs/game/assets/minecraft/summer_tutorial/xorgate.png -- 610.84kb -> 363.76kb (40.45%)
/docs/contests/assets/THUAI6/zip.png -- 8.87kb -> 5.29kb (40.38%)
/docs/contests/assets/THUAI7/faq/zip.png -- 8.87kb -> 5.29kb (40.38%)
/docs/game/assets/minecraft/summer_tutorial/orgate.png -- 563.42kb -> 337.46kb (40.11%)
/docs/game/assets/minecraft/summer_tutorial/andgate.png -- 1,314.23kb -> 798.49kb (39.24%)
/docs/game/assets/minecraft/summer_tutorial/nandgate.png -- 1,520.63kb -> 926.03kb (39.1%)
/docs/game/assets/minecraft/summer_tutorial/onlygate.png -- 687.14kb -> 420.89kb (38.75%)
/docs/web/assets/webpack.png -- 57.96kb -> 35.86kb (38.13%)
/docs/contests/assets/THUAI5/tool_3.png -- 22.33kb -> 13.96kb (37.47%)
/docs/game/assets/minecraft/summer_tutorial/clock1.png -- 680.32kb -> 427.05kb (37.23%)
/docs/contests/assets/THUAI7/faq/vector.png -- 35.69kb -> 22.41kb (37.21%)
/docs/contests/assets/THUAI6/vector.png -- 35.69kb -> 22.41kb (37.21%)
/docs/game/assets/minecraft/summer_tutorial/clock2.png -- 365.80kb -> 231.48kb (36.72%)
/docs/game/assets/minecraft/summer_tutorial/rsisrlock.png -- 71.37kb -> 45.28kb (36.56%)
/docs/game/assets/minecraft/summer_tutorial/srlock.png -- 758.81kb -> 489.37kb (35.51%)
/docs/contests/assets/THUAI6/image-20230416010816392.png -- 50.38kb -> 32.75kb (34.99%)
/docs/contests/assets/THUAI7/intro/image-20230416010816392.png -- 50.38kb -> 32.75kb (34.99%)
/docs/contests/assets/THUAI7/faq/wrongType.png -- 26.96kb -> 18.28kb (32.2%)
/docs/contests/assets/THUAI6/wrongType.png -- 26.96kb -> 18.28kb (32.2%)
/docs/contests/assets/THUAI6/RunPython.png -- 51.61kb -> 36.49kb (29.29%)
/docs/contests/assets/THUAI7/faq/CompileFaster.png -- 59.96kb -> 43.37kb (27.68%)
/docs/contests/assets/THUAI6/CompileFaster.png -- 59.96kb -> 43.37kb (27.68%)
/docs/contests/assets/THUAI6/RunCppCmd.png -- 43.96kb -> 31.94kb (27.33%)
/docs/contests/assets/THUAI6/grpc.png -- 57.60kb -> 42.57kb (26.09%)
/docs/contests/assets/THUAI7/faq/grpc.png -- 57.60kb -> 42.57kb (26.09%)
/docs/contests/assets/THUAI7/faq/Nocplus.png -- 26.63kb -> 20.36kb (23.55%)
/docs/contests/assets/THUAI6/Nocplus.png -- 26.63kb -> 20.36kb (23.55%)
/docs/contests/assets/THUAI7/faq/lib.png -- 10.68kb -> 8.72kb (18.36%)
/docs/contests/assets/THUAI6/lib.png -- 10.68kb -> 8.72kb (18.36%)
/docs/contests/assets/THUAI5/APIsettings2.png -- 39.21kb -> 32.35kb (17.49%)
/docs/contests/assets/THUAI7/faq/VSUpdate.png -- 97.09kb -> 83.65kb (13.84%)
/docs/contests/assets/THUAI6/VSUpdate.png -- 97.09kb -> 83.65kb (13.84%)
/docs/contests/assets/THUAI5/APIsettings.png -- 209.05kb -> 180.18kb (13.81%)
/docs/contests/assets/THUAI4/interface.png -- 450.75kb -> 394.48kb (12.48%)
/docs/languages/assets/fig.png -- 190.91kb -> 169.37kb (11.28%)
/docs/contests/assets/THUAI6/std_find_trivial.jpg -- 99.31kb -> 88.15kb (11.23%)
/docs/contests/assets/THUAI7/faq/std_find_trivial.jpg -- 99.31kb -> 88.15kb (11.23%)
/docs/contests/assets/THUAI5/main_interface.jpg -- 1,402.29kb -> 1,277.79kb (8.88%)
/docs/game/assets/minecraft/summer_tutorial/srlockvert.jpg -- 279.86kb -> 258.97kb (7.46%)
/docs/contests/assets/THUAI6/interface.jpg -- 322.94kb -> 307.29kb (4.85%)

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