Parent child retriever examples (#133)

* notebook wip

* remove explicitly declaring the shard settings

* remove unused fn

* notebook for parent / child capability

* updates

* add colab link

* rename to langchain splitters

Author: joemcelroy

README.md

@@ -38,7 +38,9 @@ The [`notebooks`](notebooks/README.md) folder contains a range of executable Pyt
 - [`langchain-using-own-model.ipynb`](./notebooks/langchain/langchain-using-own-model.ipynb)
 
 ### Document Chunking
+
 - [`Document Chunking with Ingest Pipelines`](./notebooks/document-chunking/with-index-pipelines.ipynb)
+- ['Document Chunking with LangChain Splitters'](./notebooks/document-chunking/with-langchain-splitters.ipynb)
 
 ### Search
 

notebooks/document-chunking/with-index-pipelines.ipynb

@@ -309,8 +309,6 @@
     "  index=INDEX_NAME, \n",
     "  settings={\n",
     "    \"index\": {\n",
-    "      \"number_of_replicas\": \"1\",\n",
-    "      \"number_of_shards\": \"1\",\n",
     "      \"default_pipeline\": \"chunk_text_to_passages\"\n",
     "    }\n",
     "  },\n",