set landmines_enabled (settings landmines_enabled)

settings landmines_enabled ADMIN
Aliases: landmines_enable landmines_disabled landmines_disable landmines_on landmines_off

Allow the landmines game to take place here.

This means that messages sent here will award points, and mines can be stpped on here.

Invoke with:
dh!settings landmines_enabled [value]