* chore(docs): update Getting Started.ipynb

* - Change section title from "What is happening under the hood?" to "Let's think step by step"
* - Add a new subsection titled "Setup"
* - Update the description in the code block from "FlagEmbedding" to

docs/Getting Started.ipynb

@@ -60,14 +60,16 @@
    "id": "8c49ae50",
    "metadata": {},
    "source": [
-    "## What is happening under the hood?"
+    "## Let's think step by step"
    ]
   },
   {
    "cell_type": "markdown",
    "id": "92cf4b76",
    "metadata": {},
    "source": [
+    "### Setup\n",
+    "\n",
     "Importing the required classes and modules:"
    ]
   },
@@ -88,7 +90,7 @@
    "id": "3fd03a71",
    "metadata": {},
    "source": [
-    "Notice that we are using the FlagEmbedding -- which is state of the Art and beats OpenAI's Embedding by a large margin. \n",
+    "Notice that we are using the DefaultEmbedding -- which is a quantized, state of the Art Flag Embedding model which beats OpenAI's Embedding by a large margin. \n",
     "\n",
     "### Prepare your Documents\n",
     "You can define a list of documents that you'd like to embed. These can be sentences, paragraphs, or even entire documents. \n",