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Add setup instruction in Getting Started for Indexing (#1847)

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`VectorstoreIndexCreator` [uses Chroma as the vectorstore by
default](1c22657256/langchain/indexes/vectorstore.py (L49)).
It may be helpful to add a short note for the setup.

You can see how the notebook looks here.

https://github.com/mocobeta/langchain/blob/feat/add-setup-instruction-to-index-getting-started/docs/modules/indexes/getting_started.ipynb
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Tomoko Uchida 2023-03-22 01:06:35 +09:00 committed by GitHub
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6
docs/modules/indexes/getting_started.ipynb
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@ -7,6 +7,12 @@
"source": [
"# Getting Started\n",
"\n",
"By default, LangChain uses [Chroma](../../ecosystem/chroma.md) as the vectorstore to index and search embeddings. To walk through this tutorial, we'll first need to install `chromadb`.\n",
"\n",
"```\n",
"pip install chromadb\n",
"```\n",
"\n",
"This example showcases question answering over documents.\n",
"We have chosen this as the example for getting started because it nicely combines a lot of different elements (Text splitters, embeddings, vectorstores) and then also shows how to use them in a chain.\n",
"\n",