update README

README.md

@@ -9,4 +9,33 @@ license: mit
 short_description: Efficient Multi Vector Visual RAG Toolkit
 ---
 
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+# Visual RAG Toolkit Demo
+
+Interactive demo for the Visual RAG Toolkit - end-to-end visual document retrieval with ColPali models.
+
+## Features
+
+- **📤 Upload Tab**: Index your own PDF documents with visual embeddings
+- **📊 Benchmarking Tab**: Run evaluations on ViDoRe datasets (requires Qdrant)
+- **🎮 Playground Tab**: Interactive search and visualization
+
+## Environment Variables
+
+Set these in your Space's settings:
+
+| Variable | Description |
+|----------|-------------|
+| `QDRANT_URL` | Qdrant Cloud URL (e.g., `https://xxx.qdrant.io`) |
+| `QDRANT_API_KEY` | Qdrant API key |
+
+## Models
+
+This demo supports:
+- `vidore/colpali-v1.3` - Full ColPali model
+- `vidore/colSmol-500M` - Smaller, faster ColSmol model
+
+## Links
+
+- [GitHub Repository](https://github.com/Ara-Yeroyan/visual-rag-toolkit)
+- [Documentation](https://github.com/Ara-Yeroyan/visual-rag-toolkit#readme)
+