Refactor to use LuaJIT and improve performance

Integrate LuaJIT as an optional runtime for better performance, with a fallback to standard Lua 5.4. Update Dockerfile to install LuaJIT and create a wrapper script for execution. Enhance network module with socket fallback support and update README to reflect these changes and configuration options.

scripts/auto-boot-ollama-host.lua

@@ -5,13 +5,10 @@
 -- - Optional Wake-on-LAN is native (no external tools).
 -- - Optional port-wait is provided but commented out (mirrors original bash idea).
 
-local socket = require("socket")
-
 -- Import modules
 local config = require("config")
 local utils = require("utils")
 local network = require("network")
-local ssh = require("ssh")
 local ollama_manager = require("ollama_manager")
 local session_check = require("session_check")