feat: add bedrock chat model (#8017)

Replace this comment with:
  - Description: Add Bedrock implementation of Anthropic Claude for Chat
  - Tag maintainer: @hwchase17, @baskaryan
  - Twitter handle: @bwmatson

---------

Co-authored-by: Bagatur <baskaryan@gmail.com>

docs/extras/integrations/chat/bedrock.ipynb

@@ -0,0 +1,106 @@
+{
+    "cells": [
+        {
+            "cell_type": "markdown",
+            "id": "bf733a38-db84-4363-89e2-de6735c37230",
+            "metadata": {},
+            "source": [
+                "# Bedrock Chat\n",
+                "\n",
+                "[Amazon Bedrock](https://aws.amazon.com/bedrock/) is a fully managed service that makes FMs from leading AI startups and Amazon available via an API, so you can choose from a wide range of FMs to find the model that is best suited for your use case"
+            ]
+        },
+        {
+            "cell_type": "code",
+            "execution_count": null,
+            "id": "d51edc81",
+            "metadata": {},
+            "outputs": [],
+            "source": [
+                "%pip install boto3"
+            ]
+        },
+        {
+            "cell_type": "code",
+            "execution_count": 1,
+            "id": "d4a7c55d-b235-4ca4-a579-c90cc9570da9",
+            "metadata": {
+                "tags": []
+            },
+            "outputs": [],
+            "source": [
+                "from langchain.chat_models import BedrockChat\n",
+                "from langchain.schema import HumanMessage"
+            ]
+        },
+        {
+            "cell_type": "code",
+            "execution_count": 2,
+            "id": "70cf04e8-423a-4ff6-8b09-f11fb711c817",
+            "metadata": {
+                "tags": []
+            },
+            "outputs": [],
+            "source": [
+                "chat = BedrockChat(model_id=\"anthropic.claude-v2\", model_kwargs={\"temperature\":0.1})"
+            ]
+        },
+        {
+            "cell_type": "code",
+            "execution_count": 3,
+            "id": "8199ef8f-eb8b-4253-9ea0-6c24a013ca4c",
+            "metadata": {
+                "tags": []
+            },
+            "outputs": [
+                {
+                    "data": {
+                        "text/plain": [
+                            "AIMessage(content=\" Voici la traduction en français : J'adore programmer.\", additional_kwargs={}, example=False)"
+                        ]
+                    },
+                    "execution_count": 3,
+                    "metadata": {},
+                    "output_type": "execute_result"
+                }
+            ],
+            "source": [
+                "messages = [\n",
+                "    HumanMessage(\n",
+                "        content=\"Translate this sentence from English to French. I love programming.\"\n",
+                "    )\n",
+                "]\n",
+                "chat(messages)"
+            ]
+        },
+        {
+            "cell_type": "code",
+            "execution_count": null,
+            "id": "c253883f",
+            "metadata": {},
+            "outputs": [],
+            "source": []
+        }
+    ],
+    "metadata": {
+        "kernelspec": {
+            "display_name": "Python 3 (ipykernel)",
+            "language": "python",
+            "name": "python3"
+        },
+        "language_info": {
+            "codemirror_mode": {
+                "name": "ipython",
+                "version": 3
+            },
+            "file_extension": ".py",
+            "mimetype": "text/x-python",
+            "name": "python",
+            "nbconvert_exporter": "python",
+            "pygments_lexer": "ipython3",
+            "version": "3.11.4"
+        }
+    },
+    "nbformat": 4,
+    "nbformat_minor": 5
+}