update README

README.md

@@ -51,6 +51,8 @@ These run locally in the Space and are free (no API costs).
 4) UPLOADING .PDF / .TXT / .MD FILES (FOR RAG)
 ----------------------------------------------
 - Click "Add files" and select any combination of .pdf, .txt, or .md.
+      Sample pdf and txt files can be found at : /data/samples -> download the 
+      files to your drive and multi select to upload 
 - The app extracts text (PDFs via pypdf), splits into chunks, and stores them
   with metadata for retrieval.
 - After adding files, click "Build Index" so they are included in search.
@@ -58,6 +60,7 @@ These run locally in the Space and are free (no API costs).
 5) ADDING MULTIPLE URLS (FOR RAG)
 ---------------------------------
 - Paste one URL per line in the "URLs" box and click "Add URLs".
+      Refer to /data/samples/Links%20sample.txt for example links  
 - The app fetches and parses the pages (static articles and PDFs work best).
 - After adding URLs, click "Build Index" to include them in retrieval.
 
@@ -103,7 +106,10 @@ Toggle this with the "Streaming" checkbox.
 ---------------
 1. Initialize pipeline (if manual init is enabled).
 2. Paste your OpenAI API key (not saved).
-3. Add files and/or add URLs.
+3. Add files and/or add URLs. 
+             Sample pdf and txt files can be found at : /data/samples -> download the 
+                  files to your drive and multi select to upload 
+            Refer to /data/samples/Links%20sample.txt for example links  
 4. Click Build Index.
 5. Ask questions. E.g. "what is Ethereum vs Solana?", "What is bitcoin strength and weakness?"
 6. For prices, try queries like "ETH price", "SOL quote", "XRP price in USD".