2. add localization in example's main to demonstrate translation
3. issue #861: add selection's copy / paste toolbar, escape to hide toolbar, mouse right click to show toolbar, ctrl-Y / ctrl-Z to undo / redo
4. Image and video displayed in Windows platform caused screen flickering while selecting text, a sample_data_nomedia.json asset is added for Desktop to demonstrate the added features.
5. Known issue: keyboard action sometimes causes exception mentioned in Flutter's issue #106475 (https://github.com/flutter/flutter/issues/106475)
Jimmy Li
Till Friebe
Rishi Raj Singh
rish07
li3317
singerdmx
pengw00