refactor: 客户端目录统一添加 kenaito-conf- 前缀

- go-client → kenaito-conf-go-client
- python-client → kenaito-conf-python-client
- python-client-demo → kenaito-conf-python-client-demo
- nodejs-client → kenaito-conf-nodejs-client
- nodejs-client-demo → kenaito-conf-nodejs-client-demo
- 更新所有 README 和 package.json 中的路径引用

kenaito-conf-nodejs-client/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "kenaito-conf",
+  "version": "1.0.0",
+  "description": "Kenaito Config Center Node.js Client",
+  "type": "module",
+  "main": "lib/index.js",
+  "exports": {
+    ".": "./lib/index.js"
+  },
+  "engines": {
+    "node": ">=18.0.0"
+  },
+  "keywords": [
+    "config",
+    "configuration",
+    "config-center"
+  ],
+  "author": "odboy",
+  "license": "MIT"
+}