add parsing for chat prefix mode configuration

CommonCore/SQL/src/de/steamwar/sql/SteamwarUser.kt

@@ -175,6 +175,9 @@ class SteamwarUser(id: EntityID<Int>) : IntEntity(id) {
             leaderInternal = false
         }
 
+    fun hasTeam() =
+        team != 0
+
     private var leaderInternal by SteamwarUserTable.leader
     var leader: Boolean
         get() = leaderInternal