feat(lua-client): 新增 Lua 客户端 SDK 及示例

kenaito-conf-lua-client/kenaito_conf/config.lua

@@ -0,0 +1,18 @@
+local Config = {}
+Config.__index = Config
+
+function Config.new(opts)
+    opts = opts or {}
+    local self = setmetatable({}, Config)
+    self.base_url = opts.base_url or "http://localhost:8080"
+    self.app_name = opts.app_name or ""
+    self.env = opts.env or "dev"
+    self.version = opts.version or "latest"
+    self.token = opts.token or ""
+    self.sync_interval = opts.sync_interval or 10
+    self.ignore_global = opts.ignore_global or false
+    self.cache_dir = opts.cache_dir or "."
+    return self
+end
+
+return Config