[Docs] Add map reduce to index (#582)

docs/_scripts/copy_notebooks.py

@@ -26,6 +26,7 @@ _MANUAL = {
         "branching.ipynb",
         "dynamically-returning-directly.ipynb",
         "configuration.ipynb",
+        "map-reduce.ipynb",
         "extraction/retries.ipynb",
     ],
     "tutorials": [

docs/docs/how-tos/index.md

@@ -19,6 +19,7 @@ Recipes showing how to apply common design patterns in your workflows:
 
 - [Subgraphs](subgraph.ipynb): How to compose subgraphs within a larger graph
 - [Branching](branching.ipynb): How to create branching logic in your graphs for parallel node execution
+- [Map-reduce](map-reduce.ipynb): How to branch **different views** of the state for parallel node execution (even applying the same node in parallel N times)
 - [Human-in-the-loop](human-in-the-loop.ipynb): How to incorporate human feedback and intervention
 
 The following examples are useful especially if you are used to LangChain's AgentExecutor configurations.

docs/mkdocs.yml

@@ -144,6 +144,7 @@ nav:
      - Design Patterns:
          - "Subgraphs": how-tos/subgraph.ipynb
          - "Branching": how-tos/branching.ipynb
+         - "Map-reduce": how-tos/map-reduce.ipynb
          - "Human-in-the-Loop": how-tos/human-in-the-loop.ipynb
          - "Force Calling a Tool First": how-tos/force-calling-a-tool-first.ipynb
          - "Dynamic Direct Return": how-tos/dynamically-returning-directly.ipynb