[ImgBot] Optimize images

*Total -- 158.47kb -> 111.34kb (29.74%)

/BlueMapCore/src/main/resourceExtensions/mc1_13/assets/bluemap/textures/block/missing.png -- 2.76kb -> 0.30kb (89.1%)
/BlueMapCore/src/main/resourceExtensions/mc1_15/assets/bluemap/textures/block/missing.png -- 2.76kb -> 0.30kb (89.1%)
/BlueMapCore/src/main/resourceExtensions/mc1_18/assets/bluemap/textures/block/missing.png -- 2.76kb -> 0.30kb (89.1%)
/BlueMapCore/src/main/resourceExtensions/mc1_16/assets/bluemap/textures/block/missing.png -- 2.76kb -> 0.30kb (89.1%)
/BlueMapCommon/webapp/public/assets/steve.png -- 2.94kb -> 0.47kb (83.98%)
/BlueMapCommon/webapp/src/assets/favicon.png -- 5.93kb -> 2.60kb (56.17%)
/BlueMapCommon/webapp/public/assets/logoCircle64.png -- 6.91kb -> 4.44kb (35.65%)
/implementations/fabric-1.19/src/main/resources/assets/bluemap/icon.png -- 10.34kb -> 6.86kb (33.66%)
/implementations/fabric-1.15.2/src/main/resources/assets/bluemap/icon.png -- 10.34kb -> 6.86kb (33.66%)
/implementations/fabric-1.17/src/main/resources/assets/bluemap/icon.png -- 10.34kb -> 6.86kb (33.66%)
/implementations/fabric-1.16.2/src/main/resources/assets/bluemap/icon.png -- 10.34kb -> 6.86kb (33.66%)
/implementations/fabric-1.18/src/main/resources/assets/bluemap/icon.png -- 10.34kb -> 6.86kb (33.66%)
/implementations/fabric-1.19.3/src/main/resources/assets/bluemap/icon.png -- 10.34kb -> 6.86kb (33.66%)
/BlueMapCommon/webapp/public/assets/poi.svg -- 0.90kb -> 0.64kb (28.84%)
/BlueMapCommon/webapp/public/assets/logo.png -- 15.96kb -> 11.53kb (27.71%)
/BlueMapCommon/webapp/public/assets/logoCircle512.png -- 52.73kb -> 49.28kb (6.54%)

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

BlueMapCommon/webapp/public/assets/poi.svg

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