Respond with GIF to unauthorized users

[schrer]

Respond with GIF to unauthorized users.
Make it configurable but for starters, use this one:
https://gfycat.com/essentialspiritedbackswimmer

[schrer]

This may help with the implementation.
https://stackoverflow.com/questions/35294948/telegram-python-chatbot-replying-with-an-animated-gif