v1.2

New options:

• Áo dài as new clothing
• conical hat
• overleaf duck
• added new example ducks to https://github.com/samcarter/tikzducks, e.g. Pythagoras, the Vietnam duck or the Geisha duck

Changes:

• moved collection of example ducks from the package documentation to https://github.com/samcarter/tikzducks
• modified random duck generation to use the new XeLaTeX primitive \randomseed (if available)
• fixed bounding box of laughing duck