新增示例库逻辑

docs/en/user-guide/workflows.md

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+# Workflow Customization
+
+How to customize ComfyUI workflows to achieve specific functionality.
+
+---
+
+## Workflow Introduction
+
+Pixelle-Video is built on the ComfyUI architecture and supports custom workflows.
+
+---
+
+## Workflow Types
+
+### TTS Workflows
+
+Located in `workflows/selfhost/` or `workflows/runninghub/`
+
+### Image Generation Workflows
+
+Located in `workflows/selfhost/` or `workflows/runninghub/`
+
+---
+
+## Custom Workflows
+
+1. Design your workflow in ComfyUI
+2. Export as JSON file
+3. Place in `workflows/` directory
+4. Select and use in Web interface
+
+---
+
+## More Information
+
+Detailed workflow customization guide coming soon.
+