initial stuff: add two small fly potions

mods/give_initial_stuff/depends.txt

@@ -3,3 +3,4 @@ bows
 xdecor
 3d_armor
 shields
+magical_potion

mods/give_initial_stuff/init.lua

@@ -7,7 +7,7 @@ minetest.register_on_newplayer(function(player)
                 player:get_inventory():add_item('main', 'default:torch 99')
                 player:get_inventory():add_item('main', 'default:chest_locked 1')
                 player:get_inventory():add_item('main', 'xdecor:crafting_guide 1')
-                player:get_inventory():add_item('main', '')
+                player:get_inventory():add_item('main', 'magical_potion:fly_small 2')
                 player:get_inventory():add_item('main', 'bows:bow_wood')
                 player:get_inventory():add_item('main', 'bows:arrow 26')
                 player:get_inventory():add_item('main', '3d_armor:helmet_steel')