dsh-vatican: DeepSeek Harness Pure Node.js Plugin

`dsh-vatican` is a plugin for DeepSeek Harness, maintained by uckkk. It focuses on Vatican City-related functionality, is implemented purely in Node.js, and does not rely on network requests. Installation requires the dependencies `@deepseek-ai/cordis` (^4.0.1) and `@deepseek-ai/dsh-tools` (>=0.1.0-rc.6), and it runs with the current process permissions. This plugin follows the MIT license and is suitable for scenarios requiring local execution or lightweight integration.