Improved bindings, ui.grid, ui.chat_message and more

New features and enhancements

• Add autocomplete for ui.input (#824 by @phoskee, @falkoschindler)
• Allow binding dictionaries (#829 by @falkoschindler)
• Add binding methods for disableable elements (@falkoschindler)
• Introduce ui.grid (#827 by @falkoschindler)
• Introduce ui.chat_message (#826 by @markbaumgarten, @rodja, @falkoschindler)
• Support ui.refreshable with async functions (@rodja, @falkoschindler)
• Style blockquotes in ui.markdown elements (#820, #825 by @atomicrichard, @falkoschindler)
• Introduce seek method for ui.video (#812 by @rodja, @falkoschindler)
• Support base64 and SVG favicons (#808 by @rodja)
• Add mount_path parameter to ui.run_with (#842 by @Viicos)

Bugfixes

• Fix layout issue with ui.refreshable (#841 by @falkoschindler)
• Avoid memory leak with ui.refreshable (@rodja, @falkoschindler)
• Fix new event registrations not being sent to the client (#834 by @falkoschindler)

Documentation

• Allow choosing from different elements for the live demo (#837 by @phoskee)
• Improve menu accessibility on mobile devices (#811 by @falkoschindler)