Added wall definition and fixed formatting issue in misc methods

Author: ThatGravyBoat

datatypes/wall_definition.lua

@@ -0,0 +1,5 @@
+---@class wall_definition
+---@field id string id to use to create an oid for this item. Unless defining a flower, your new item oid will be a your mod_id + the item id give, i.e. "sample_mod_my_item"
+---@field name string the name of this item, shown in tooltips
+---@field shop_buy number? @[Optional] the amount this item can be bought for if sold by an NPC
+---@field shop_sell number? @[Optional] the amount this item can be sold for at an NPC

define_methods.lua

@@ -179,4 +179,11 @@ function api_define_trait(trait_key, trait_map, default_value)  end
 ---@param validation string the custom validation, i.e. "customX:axe" - this has to match what you put in your layout
 ---@param icon_sprite string the sprite to use for the validation, shown on slot hover. This should be a single 16x16 sprite.
 ---@return string|nil If this method worked it will return Success, otherwise if it fails it will return nil and will log an error in the Modding Console.
-function api_define_validation_icon(validation, icon_sprite) end
+function api_define_validation_icon(validation, icon_sprite) end
+
+---
+---@since 1.3.0
+---@param wall wall_definition definition for your new wall
+---@param wall_sprite string the spritesheet for the new wall, needs to contain both the item sprites and wall variants, see the example in the Sample Mod
+---@return string|nil If this method worked it will return Success, otherwise if it fails it will return nil and will log an error in the Modding Console.
+function api_define_wall(wall, wall_sprite) end

misc_methods.lua

@@ -77,5 +77,5 @@ function api_is_game_paused()  end
 ---@param method_type string the HTTP method type, i.e. GET or POST
 ---@param headers table a map of headers to apply to your request
 ---@param body string a body to send with the request (can just be an empty string)
-------@return string|nil If this method worked it will return Success, otherwise if it fails it will return nil and will log an error in the Modding Console.
+---@return string|nil If this method worked it will return Success, otherwise if it fails it will return nil and will log an error in the Modding Console.
 function api_http_request(url, method_type, headers, body) end