[ImgBot] Optimize images

*Total -- 1,876.56kb -> 1,761.68kb (6.12%)

/flutter-android-ios-app/notion_ai_my_mind/android/app/src/main/res/mipmap-hdpi/ic_launcher.png -- 4.06kb -> 2.47kb (39.1%)
/flutter-android-ios-app/notion_ai_my_mind/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png -- 5.83kb -> 3.57kb (38.7%)
/flutter-android-ios-app/notion_ai_my_mind/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -- 16.79kb -> 10.35kb (38.35%)
/flutter-android-ios-app/notion_ai_my_mind/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -- 10.80kb -> 6.66kb (38.32%)
/flutter-android-ios-app/notion_ai_my_mind/android/app/src/main/res/mipmap-mdpi/ic_launcher.png -- 2.29kb -> 1.48kb (35.65%)
/doc/example_adding_from_context_image.png -- 202.16kb -> 149.99kb (25.81%)
/doc/example_adding_from_context.png -- 40.85kb -> 31.85kb (22.04%)
/doc/getting_cookie.png -- 32.33kb -> 26.43kb (18.23%)
/doc/settings_howto.png -- 16.43kb -> 13.96kb (15.08%)
/doc/options_python.png -- 21.99kb -> 18.81kb (14.44%)
/doc/example_adding_url.png -- 27.77kb -> 23.86kb (14.08%)
/doc/header_adding_url_example.gif -- 649.47kb -> 636.97kb (1.92%)
/doc/header_gif_search.gif -- 845.79kb -> 835.28kb (1.24%)

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

Author: ImgBotApp