added options

+    to change this you can add any of the following options
+      "players" will show players
+      "ais" will show ais
+      "allsides" will show all sides not only the units on player's side
+    0 = ["player","ai"] execVM 'player_markers.sqf';
+    this will show all player and all ais, you can add allside if you want to show all sides 
+    once you add any of these default behaviour is not used