Add list of signs in Lua file

mods/tutorial_arrow_signs/sign_list.lua

@@ -0,0 +1,36 @@
+-- This file will NOT be executed. Instead, it just
+-- provides a list of all sign names for the
+-- translation string collecting utilities to
+-- see.
+
+-- This list must be *manually* updated whenever a
+-- sign name in the tutorial world is changed,
+-- added or removed.
+
+
+-- Symbol for translation string collecting tool
+local NS = function(s) return s end
+
+--- LIST OF SIGNS ---
+NS("Ladders section")
+NS("Swimming and Diving sections")
+NS("To the Diving section")
+NS("Diving section")
+NS("Pointing section")
+NS("Mining section, Building section (prerequisites: Item and Tools section)")
+NS("Tutorial Mine (just for fun)")
+NS("Special Blocks section")
+NS("To the Using section")
+NS("To the Items, Tools, Crafting and Smelting house")
+NS("The Items, Tools, Crafting and Smelting house")
+NS("Waterfall section")
+NS("Swimming section, Ladders section")
+NS("Sneaking section")
+NS("Health and Damage section")
+NS("Viscosity section")
+NS("The Good-Bye Room")
+NS("Exit")
+NS("Comestibles room")
+NS("Smelting room")
+NS("Building section")
+--- END OF LIST OF SIGNS ---