fix: upper layers not working (probably)

tree.lua

@@ -64,7 +64,7 @@ local function place_leds(led_index, leds)
 end
 
 local function place_tree(pos)
-    local led_index = 0
+    local led_index = 300 - 220
     for index = 1, #leds do
         local l = leds[index]
         local layer_center = vector.new(pos.x, pos.y + index * height_increment - height_increment / 2, pos.z)