feat: Added lua definition files

Also added a pre-commit hook to ensure that the definitions files are
up-to-date.

definitions/automation:utils.lua

@@ -0,0 +1,27 @@
+-- DO NOT MODIFY, FILE IS AUTOMATICALLY GENERATED
+---@meta
+
+local utils
+
+---@class Timeout
+local Timeout
+---@async
+---@param timeout number
+---@param callback fun() | fun()[]
+function Timeout:start(timeout, callback) end
+---@async
+function Timeout:cancel() end
+---@async
+---@return boolean
+function Timeout:is_waiting() end
+utils.Timeout = {}
+---@return Timeout
+function utils.Timeout.new() end
+
+---@return string
+function utils.get_hostname() end
+
+---@return integer
+function utils.get_epoch() end
+
+return utils