[ImgBot] Optimize images

*Total -- 1,436.35kb -> 1,017.96kb (29.13%)

/assets/images/splash2.png -- 175.64kb -> 85.83kb (51.14%)
/assets/images/splash.png -- 179.93kb -> 107.47kb (40.27%)
/assets/images/icon.png -- 298.64kb -> 184.79kb (38.12%)
/assets/images/adaptive-icon.png -- 298.64kb -> 184.79kb (38.12%)
/assets/images/favicon.png -- 18.83kb -> 13.79kb (26.74%)
/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png -- 58.40kb -> 52.55kb (10.02%)
/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -- 58.40kb -> 52.55kb (10.02%)
/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -- 37.40kb -> 34.23kb (8.47%)
/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png -- 37.40kb -> 34.23kb (8.47%)
/android/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png -- 19.37kb -> 18.02kb (7%)
/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png -- 19.37kb -> 18.02kb (7%)
/android/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png -- 12.23kb -> 11.48kb (6.12%)
/android/app/src/main/res/mipmap-hdpi/ic_launcher.png -- 12.23kb -> 11.48kb (6.12%)
/android/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png -- 6.57kb -> 6.24kb (5.05%)
/android/app/src/main/res/mipmap-mdpi/ic_launcher.png -- 6.57kb -> 6.24kb (5.05%)
/assets/images/loading.svg -- 4.09kb -> 4.04kb (1.22%)
/assets/images/not-found.svg -- 7.51kb -> 7.43kb (1.08%)
/ios/DocExt/Images.xcassets/AppIcon.appiconset/[email protected] -- 185.14kb -> 184.79kb (0.19%)

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

Author: ImgBotApp