dsh-adapter-qq: DeepSeek Harness Official QQ Bot Adapter

`dsh-adapter-qq` is the official QQ bot adapter plugin for DeepSeek Harness. Built on the official QQ OpenAPI v2, it connects QQ private chats with the DSH Web UI to enable deep interactions such as full coding and Shell execution. The plugin supports real-time bidirectional synchronization, two-way approval coordination, an interactive control panel, and a global quick menu, and allows managing sessions, models, permissions, and more through commands. Installation requires Node.js >= 18 and the corresponding dependencies. Configuration includes items such as AppID and AppSecret, making it suitable for developers who need mobile instant messaging scenarios.