feat: 添加 K8S 部署功能

- 新增 src/k8s-client.ts: K8S 客户端封装
- 新增 src/deploy.ts: 部署/删除/状态查询逻辑
- 新增 scripts/deploy.ts: 命令行部署工具
- 更新 .env.example: 添加 K8S 配置项
- 安装 @kubernetes/client-node@1.3.0 依赖

Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

package.json

@@ -6,7 +6,8 @@
   "scripts": {
     "build": "tsc && tsc-alias",
     "start": "node dist/index.js",
-    "dev": "tsx watch src/index.ts"
+    "dev": "tsx watch src/index.ts",
+    "deploy": "tsx scripts/deploy.ts"
   },
   "keywords": [
     "claude",
@@ -16,6 +17,7 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
+    "@kubernetes/client-node": "1.3.0",
     "axios": "^1.7.9",
     "dotenv": "^16.4.7",
     "express": "^4.21.2"