New features and improvements

• Introduce ui.carousel element (#1087, #1091, #1176 by @michangelis, @falkoschindler)
• Added functions to get data from editable ui.aggrid cells (#1079 by @BrianLandry)
• Improve NiceGUI On Air's connection error handling (#1184 by @rodja)

Bugfixes

• Fix repeating lines in ui.log (#1173 by @BrianLandry, @falkoschindler)
• Fix value of ui.select, ui.radio and ui.toggle after changing their options (#1073 by @CrystalWindSnake, @falkoschindler)

Documentation

• Support dark mode on nicegui.io (#771, #1164 by @Slanderkin, @suspiciousRaccoon, @falkoschindler)
• Add a demo for a ui.card without shadow (#1172 by @Smug246, @falkoschindler)
• Add a demo for ui.chart with extra dependencies (by @falkoschindler)