create a "team" message to send positionally the whole team at once

[mooreatv]

it should fit in 255 chars/1 message but maybe not for teams more than 5 man
and/or with accentuated characters (double byte length, or more for asian characters)

[mooreatv]

we now have Realm list to make the string shorter/use realm id instead of full name

semi related: use https://wow.gamepedia.com/API_UnitGUID to provide additional info about server instance etc