Update README - Add Image Search Example (#457)

Author: par4m

README.md

@@ -137,6 +137,7 @@ It defines an index flow like this:
 | [Embeddings to Qdrant](examples/text_embedding_qdrant) | Index documents in a Qdrant collection for semantic search |
 | [FastAPI Server with Docker](examples/fastapi_server_docker) | Run the semantic search server in a Dockerized FastAPI setup | 
 | [Product_Taxonomy_Knowledge_Graph](examples/product_taxonomy_knowledge_graph) | Build knowledge graph for product recommendations | 
+| [Image Search with Vision API](examples/image_search_example) | Generates detailed captions for images using a vision model, embeds them, enables semantic search via FastAPI and served on a React frontend.|
 
 More coming and stay tuned 👀!