dsh-chengdu-city: Chengdu City Information Query Plugin

The Chengdu city information plugin dsh-chengdu-city for DeepSeek Harness (DSH), maintained by uckkk, is designed to retrieve Chengdu-related data within the DSH environment. Implemented in pure Node.js, it registers the city_info tool. Users can install it using the dsh plugin add command and call the tool directly in their sessions. The plugin package has no network dependencies, although the returned information may include undefined fields. For more details, please refer to the GitHub repository.