tuogusa/dsh-skill-manager: DSH Skill Manager

`tuogusa/dsh-skill-manager` is a Web GUI plugin for DeepSeek Harness (DSH), designed to centrally manage skills from projects, the DSH-Home directory, and user directories, addressing the issues of difficult path lookup and missing update entry points. The plugin provides a unified entry point under "Settings → Skills," supporting listing, searching, copying paths, and viewing skill details (such as size, file count, and usage markers). Its core functionality includes a safe deletion mechanism: deletion operations are restricted to known root directories to prevent path traversal, and a session-level recycle bin is provided, allowing one-click restoration or permanent deletion within the current session. Additionally, the plugin supports version detection and updates by reading metadata from `SKILL.md`, checking the latest Release from GitHub/Gitee and initiating automatic updates; upon failure