adding rag

app.py

@@ -88,16 +88,16 @@ def create_ui():
         gr.Markdown("# Colpali Milvus Search Demo")
         gr.Markdown("This demo showcases how to use [Colpali](https://github.com/illuin-tech/colpali) embeddings with [Milvus](https://milvus.io/) for pdf search.")
         
-        with gr.Tab("Upload PDFs"):
+        with gr.Tab("Upload PDF"):
             with gr.Column():
-                file_input = gr.File(label="Upload PDFs")
+                file_input = gr.File(label="Upload PDF")
                 
                 max_pages_input = gr.Slider(
                     minimum=1,
                     maximum=50,
                     value=20,
                     step=10,
-                    label="Max Pages"
+                    label="Max pages to extract and index"
                 )
                 
                 status = gr.Textbox(label="Indexing Status", interactive=False)
@@ -114,7 +114,7 @@ def create_ui():
                 # )
                 search_btn = gr.Button("Query")
                 llm_answer = gr.Textbox(label="RAG Response", interactive=False)
-                images = gr.Image(label="Page matching query")
+                images = gr.Image(label="Top page matching query")
         
         # Event handlers
         file_input.change(