[soccer] Add soccer mod

worlds/minetestforfun/world.mt

@@ -25,6 +25,7 @@ load_mod_mapfix = true
 load_mod_worldedge = true
 load_mod_maze = true
 load_mod_peace_areas = true
+load_mod_soccer = true
 
 load_mod_meru = true
 load_mod_watershed = true