dsh-shareone-plugin: One-Click Publish Agent Content to ShareOne Share Links

`dsh-shareone-plugin` is the ShareOne sharing plugin for DeepSeek Harness, enabling agents to publish content to the ShareOne platform. It supports publishing text and files (PPT, PDF, etc.) and provides comment interaction and link management. Users must install it via CLI and configure a ShareOne API key. The plugin offers tools for publishing, updating, configuration, and comment management, helping agents automate content sharing workflows.