Create debugLua.lua (#51)

Feature for lua commands in-game, interesting for DEV's.
Function by Gesior, found here:
https://otland.net/threads/tfs-1-x-luajit-debug-lua-scripts-with-talkaction.260910/

data/scripts/talkactions/debugLua.lua

@@ -0,0 +1,45 @@
+function sendToPlayerLuaCallResult(player, ...)
+   local n = select('#', ...)
+   local result = setmetatable({ ... }, {
+      __len = function()
+         return n
+      end,
+   })
+
+   local t = {}
+   for i = 2, #result do
+      local v = tostring(result[i])
+      if v:len() > 0 then
+         table.insert(t, v)
+      end
+   end
+
+   if #t > 0 then
+      player:sendTextMessage(MESSAGE_STATUS_CONSOLE_ORANGE, table.concat(t, ', '))
+   end
+end
+
+
+local talk = TalkAction("/lua")
+function talk.onSay(player, words, param)
+   if player:getGroup():getId() < 6 then
+      return false
+   end
+
+   if player:getAccountType() < ACCOUNT_TYPE_GOD then
+      return false
+   end
+
+   sendToPlayerLuaCallResult(player, pcall(loadstring(
+         'local cid = ' .. player:getId() .. ' ' ..
+         'local player = Player(cid) ' ..
+         'local pos = player:getPosition() ' ..
+         'local position = pos ' ..
+         param
+   )))
+
+   return false
+end
+
+talk:separator(" ")
+talk:register()