docs: update installation commands across notebooks and README

- Modified pip installation commands in various notebooks and the README to include `langchain` and `langchain-community` for improved functionality and consistency.

Author: davidberenstein1957

README.md

@@ -94,7 +94,7 @@ Let's build an agent that answers questions about climate change, based on the 2
 
 Before starting let's install the required libraries:
 ```sh
-pip install langchain-openai tiktoken "pypdf<=3.17.0"
+pip install langchain langchain-community langchain-openai tiktoken "pypdf<=3.17.0"
 ```
 
 

docs/getting_started/quickstart/quickstart_llm.ipynb

@@ -65,7 +65,9 @@
     "id": "aqlTkiw4qyNM"
    },
    "outputs": [],
-   "source": "%pip install langchain langchain-openai langchain-community pypdf faiss-cpu openai tiktoken"
+   "source": [
+    "%pip install langchain langchain-community langchain-openai pypdf faiss-cpu openai tiktoken"
+   ]
   },
   {
    "cell_type": "markdown",

docs/integrations/avid/avid-integration-llm.ipynb

@@ -50,7 +50,7 @@
       },
       "outputs": [],
       "source": [
-        "%pip install langchain-openai pypdf faiss-cpu openai tiktoken avidtools"
+        "%pip install langchain langchain-community langchain-openai pypdf faiss-cpu tiktoken avidtools"
       ]
     },
     {

docs/integrations/mlflow/mlflow-llm-example.ipynb

@@ -72,7 +72,7 @@
    },
    "outputs": [],
    "source": [
-    "%pip install langchain langchain-openai openai \"pypdf<=3.17.0\" faiss-cpu tiktoken pyngrok -q"
+    "%pip install langchain langchain-community langchain-openai \"pypdf<=3.17.0\" faiss-cpu tiktoken pyngrok -q"
    ]
   },
   {

docs/reference/notebooks/LLM_Description_Product.ipynb

@@ -50,7 +50,7 @@
    "outputs": [],
    "source": [
     "%pip install \"giskard[llm]\"  --upgrade\n",
-    "%pip install langchain-openai --upgrade"
+    "%pip install langchain langchain-community langchain-openai --upgrade"
    ]
   },
   {

docs/reference/notebooks/LLM_QA_Google.ipynb

@@ -72,7 +72,7 @@
    },
    "outputs": [],
    "source": [
-    "!pip install langchain-openai tiktoken lancedb"
+    "!pip install langchain langchain-community langchain-openai tiktoken"
    ]
   },
   {