Update for new HRIStudio build

plugins/README.md

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+# Robot Plugins
+
+This directory contains individual robot plugin definitions for the HRIStudio platform.
+
+## Available Plugins
+
+### Mobile Robots
+
+- **turtlebot3-burger.json** - Compact educational robot platform
+- **turtlebot3-waffle.json** - Extended TurtleBot3 with camera and additional sensors
+
+### Humanoid Robots
+
+- **nao-humanoid.json** - NAO humanoid robot for social interaction research
+
+## Plugin Structure
+
+Each plugin file defines:
+
+- Robot specifications and capabilities
+- Available actions for experiment design
+- Communication protocol configuration
+- Asset references for UI display
+
+## Adding New Plugins
+
+1. Create a new JSON file following the schema
+2. Add robot assets to the `assets/` directory
+3. Update `index.json` to include the new plugin
+4. Test the plugin definition for validity
+
+## Schema Validation
+
+All plugins must conform to the HRIStudio plugin schema. See `../docs/schema.md` for complete documentation.
+
+## Asset Requirements
+
+Each plugin should include:
+- Thumbnail image (200x150px)
+- Main robot image
+- Multiple angle views
+- Manufacturer logo (optional)
+
+Assets are served relative to the repository root URL.