nvim add a files with type aliases because luals is being a twat

nvim/_types.lua

@@ -0,0 +1,14 @@
+
+--- LuaLS is weird and does not recognize builtin types.
+--- even tho it should. So define them as alias
+---@alias nil nil
+---@alias any any
+---@alias boolean boolean
+---@alias string string
+---@alias number number
+---@alias integer integer
+---@alias function function
+---@alias table table
+---@alias thread thread
+---@alias userdata userdata
+---@alias lightuserdata lightuserdata