[ImgBot] Optimize images

*Total -- 2,704.98kb -> 1,197.87kb (55.72%)

/assets/icon.png -- 54.87kb -> 17.22kb (68.61%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png -- 47.52kb -> 17.06kb (64.11%)
/.github/dark.png -- 1,008.43kb -> 419.98kb (58.35%)
/.github/light.png -- 1,511.37kb -> 678.18kb (55.13%)
/android/app/src/main/res/mipmap-xxxhdpi/launcher_icon.png -- 7.66kb -> 5.64kb (26.33%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png -- 6.71kb -> 4.99kb (25.68%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png -- 7.31kb -> 5.46kb (25.22%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-50x50@2x.png -- 4.07kb -> 3.08kb (24.35%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-72x72@2x.png -- 5.72kb -> 4.38kb (23.43%)
/android/app/src/main/res/mipmap-xxhdpi/launcher_icon.png -- 5.72kb -> 4.38kb (23.43%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png -- 6.06kb -> 4.64kb (23.39%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png -- 4.92kb -> 3.79kb (23.01%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png -- 4.92kb -> 3.79kb (23.01%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png -- 3.60kb -> 2.90kb (19.31%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-57x57@2x.png -- 4.66kb -> 3.78kb (18.77%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png -- 3.30kb -> 2.73kb (17.16%)
/android/app/src/main/res/mipmap-xhdpi/launcher_icon.png -- 3.89kb -> 3.28kb (15.67%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png -- 3.18kb -> 2.71kb (14.76%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-72x72@1x.png -- 3.03kb -> 2.59kb (14.55%)
/android/app/src/main/res/mipmap-hdpi/launcher_icon.png -- 3.03kb -> 2.59kb (14.55%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png -- 2.46kb -> 2.28kb (7.57%)
/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png -- 2.54kb -> 2.40kb (5.35%)

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