The description for LT45 and email confirmation for people new to us

[wieder]

Follow up to LT44 and based on LT44. Team game if we can figure out how to make teams. Teamless if there are too many problems with creating teams. Probably 5 teams. Notice: we may require an additional email/discord/irc confirmation if you are new or relatively new to longturn.org. This is to avoid idlers. Make sure we can reach you.

I'll send mail to new players who want to play.

Mail is really only to avoid idlers. Irc will also do fine. Or discord. Anything that let us know you can communicate and we can send you reminders if that's needed.