We want a dart Whiteboard application in the most recent dart language.
▪ Should be able to add pictures, move and resize the pictures that are added to the whiteboard.
▪ Should be able to open a website within the whiteboard
▪ Should be able to add texts, write, draw and add shapes.
▪ Should be able to save what is on the whiteboard as a PDF.
▪ The widgets used should be triable on iOS android and macOS.