dsh-md-html-render: Render Markdown to Standalone HTML in DSH

dsh-md-html-render is a DeepSeek Harness (DSH) plugin maintained by LeslieWylie and released under the MIT license. The plugin aims to render Markdown into standalone, self-contained HTML pages without external dependencies, making it suitable for forwarding, archiving, or offline viewing. It provides two entry points: a model-callable `md_html_render` tool that supports generating and saving HTML within a headless profile, and an MD drawer in the Web GUI that allows users to browse, edit, and export Markdown within the session. The plugin's core features include no runtime dependencies, and all file operations are performed through the harness fs service and s.