Feature: Provide a warning box when people attempt to upload scripts with known poor interactions

**Description**
There's a few basic "rules" that a script should follow and it would be useful to warn the user when they are uploading a script with these in. Some examples

King with no Choirboy #choirboygate
Lil' Monsta and Evil Twin (Evil Twin can hold the baby "hostage" for most of the game)
Riot and Alchmist Evil Twin (this just the Alchemist and an evil player know each other)

Some actual invalid scripts:
Choirboy with no King
Hunstman with no Damsel