Add meta

Meta/api/GetMerchantItemMaxStack.lua

@@ -0,0 +1,6 @@
+---@diagnostic disable: missing-return, lowercase-global
+
+---@param index number 
+---@return number maxStack 
+---Returns the maximum number of an item allowed in a single purchase. Determines the largest value usable for the second argument (quantity) of BuyMerchantItem() when purchasing the item. For most items, this is the same as the maximum stack size of the item.
+function GetMerchantItemMaxStack(index) end