dsh-harness-zh-cn: DeepSeek Harness Chinese Localization Plugin

`dsh-harness-zh-cn` is a pure runtime Chinese localization plugin for DeepSeek Harness (DSH), aiming to eliminate the English reading burden of DSH system prompts, tool descriptions, runtime context, and frontend UI. This plugin is released under the MIT License, version 0.2.0, and operates via DSH extension points at runtime without modifying any source code, allowing for seamless restoration to English after upgrades or uninstallation. Core features include: automatic runtime localization of system prompts, context, tool parameters, and frontend labels; localization of slash command menu descriptions (keeping command names in English); and, in conjunction with `dsh-plugin-marketplace`, translating marketplace descriptions (supporting LLM batch translation and vocabulary fallback mechanisms). The plugin provides `includeSections`,