Update rag-tutorials.ipynb

Author: lfunderburk

ch6/bonus-build-from-tutorials/rag-tutorials.ipynb

@@ -1,5 +1,19 @@
 {
  "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Building question-and-answer pipelines for complex knowledge bases"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "#### Build an indexing pipeline from Haystack's documentation"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 8,
@@ -61,6 +75,13 @@
     "indexing_pipeline.connect(\"embedder\", \"writer\")"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "##### Populate the document store with relevant links"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 9,
@@ -117,6 +138,13 @@
     "open_ai_key = os.getenv(\"OPENAI_API_KEY\")"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Answer questions using prompt templating"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 10,