dsh-plugin-chart: DeepSeek Harness AntV Chart Visualization Plugin

The `dsh-plugin-chart` plugin for DeepSeek Harness (DSH) integrates AntV charting capabilities, enabling developers to generate charts directly in conversations without writing code. It supports 25 chart types, covering basic, statistical, relational, and structural charts. During installation, use the DSH CLI and ensure compatibility with the Node.js version and pnpm configuration. When using the plugin, be mindful of data privacy and avoid submitting sensitive information.