Add proper AI for all minigames

[Ernest314]

Master issue to track sub-issues.

• [ ] Rock-Paper-Scissors: #200
• [ ] Rock-Paper-Scissors-Lizard-Spock
• [ ] Morra
• [ ] The Balloon Game
• [ ] DB Duel
• [ ] DB Duel (Advanced)

[Ernest314]

for morra, see these:

• https://mindyourdecisions.com/blog/2011/11/15/the-game-of-morra-a-fun-alternative-to-rock-paper-scissors/
• https://www.frontiersin.org/articles/10.3389/fpsyg.2020.551126/full#:~:text=The%20best%20defensive%20strategy%20for%20a%20Morra%20player,patterns%20in%20random%20number%20generation%20tasks%20%28Brugger%2C%201997%29.