add screenshot, craftguide icons, and blueberry jam craft

crafts.lua

@@ -68,6 +68,11 @@ cooking.register_craft({
 	recipe = "farming:bread",
 	output = "cooking:bread_sliced 6"
 })
+cooking.register_craft({
+	type = "press",
+	recipe = "default:blueberries",
+	output = "cooking:blueberry_jam 4"
+})
 foodspoil_register("cooking:bread_sliced", 4)
 cooking.register_craft({
 	type = "stack",

init.lua

@@ -34,20 +34,20 @@ local function table_to_string(tbl)
 end
 
 local crafttypelist = {
-	stack = {"Stacking", "default_tool_steelpick.png"},
+	stack = "Stacking",
-	mix = {"Mixing", "default_tool_steelpick.png"},
+	mix = "Mixing",
-	cut = {"Cutting", "default_tool_steelpick.png"},
+	cut = "Cutting",
-	press = {"Pressing", "default_tool_steelpick.png"},
+	press = "Pressing",
-	roll = {"Rolling", "default_tool_steelpick.png"},
+	roll = "Rolling",
-	stove = {"Stove", "default_tool_steelpick.png"},
+	stove = "Stove",
-	oven = {"Oven", "default_tool_steelpick.png"},
+	oven = "Oven",
-	soup = {"Soup", "default_tool_steelpick.png"},
+	soup = "Soup",
 }
 if craftguide then
 	for craftname, tbl in pairs(crafttypelist) do
 		craftguide.register_craft_type(craftname, {
 			description = tbl[1],
-			icon = tbl[2],
+			icon = "craftguide_"..craftname.."_icon.png",
 		})
 	end
 end

license.txt

@@ -1,4 +1,4 @@
-in ovenstove.lua there is some copied and edited code from minetest_game, which is under the following license:
+in ovenstove.lua there is some copied and edited code from minetest_game default mod, which is under the following license:
 ----------------------
 
 GNU Lesser General Public License, version 2.1
@@ -26,7 +26,14 @@ ShadowNinja
 VanessaE
 And many others...
 
-jelys_pizzaria_rolling_pin_inv.png
+craftguide_cut_icon.png contains default_sword_steel.png from minetest_game default mod, which is under the following license:
+-------------------------------
+Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
+Attribution 3.0 Unported (CC BY 3.0)
+CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
+See https://github.com/minetest/minetest_game/blob/master/mods/default/license.txt for more infomation
+
+jelys_pizzaria_rolling_pin_inv.png and craftguide_roll_icon.png
 ------------------------------
 Attribution-ShareAlike 3.0 (CC BY-SA 3.0) Extex
 inspired by https://www.brik.co/blogs/pixel-art/rolling-pin-pixel-art