Refactor configuration and update handling:

- Modify .luarc.json to include global Lua scripts.
- Update Makefile to include LDFLAGS for versioning.
- Enhance node.go to implement version checking and update handling.
- Refactor Lua global variables in _globals.lua and echo.lua to use new structures.
- Remove deprecated http.lua and update config.yaml for TLS and update settings.
- Introduce new update.go for version management and update checking.
- Add tests for version comparison in update_test.go.
- Improve error handling in various server methods.

com/_prepare.lua

@@ -1,3 +1,4 @@
+---@diagnostic disable: duplicate-set-field
 package.path = package.path .. ";/usr/lib64/lua/5.1/?.lua;/usr/local/share/lua/5.1/?.lua" .. ";./com/?.lua;"
 package.cpath = package.cpath .. ";/usr/lib64/lua/5.1/?.so;/usr/local/lib/lua/5.1/?.so"
 
@@ -5,4 +6,11 @@ print = function() end
 io.write = function(...) end
 io.stdout = function() return nil end
 io.stderr = function() return nil end
-io.read = function(...) return nil end
+io.read = function(...) return nil end
+
+---@type table<string, any>
+Status = {
+	ok = "ok",
+	error = "error",
+	invalid = "invalid",
+}