Random selecting a winner for "Lviv Data Platform User Group" meetups

The main idea of this project it's to create scripts on different data platforms to easily select random winners for "Lviv Data Platform User Group" meetups.

Main rules:

1. It's must be easy to run scripts and import list of registered users;
2. A user can be selected only one-time per meetup raffle;
3. A random algorithm to select a winner.