docs: fixes for Elasticsearch integrations, cache doc and providers list (#22817)

Some minor fixes in the documentation:
 - ElasticsearchCache initilization is now correct
 - List of integrations for ES updated

docs/docs/integrations/llm_caching.ipynb

@@ -1710,14 +1710,12 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from elasticsearch import Elasticsearch\n",
     "from langchain.globals import set_llm_cache\n",
     "from langchain_elasticsearch import ElasticsearchCache\n",
     "\n",
-    "es_client = Elasticsearch(hosts=\"http://localhost:9200\")\n",
     "set_llm_cache(\n",
     "    ElasticsearchCache(\n",
-    "        es_connection=es_client,\n",
+    "        es_url=\"http://localhost:9200\",\n",
     "        index_name=\"llm-chat-cache\",\n",
     "        metadata={\"project\": \"my_chatgpt_project\"},\n",
     "    )\n",
@@ -1761,7 +1759,6 @@
     "import json\n",
     "from typing import Any, Dict, List\n",
     "\n",
-    "from elasticsearch import Elasticsearch\n",
     "from langchain.globals import set_llm_cache\n",
     "from langchain_core.caches import RETURN_VAL_TYPE\n",
     "from langchain_elasticsearch import ElasticsearchCache\n",
@@ -1792,9 +1789,10 @@
     "        ]\n",
     "\n",
     "\n",
-    "es_client = Elasticsearch(hosts=\"http://localhost:9200\")\n",
     "set_llm_cache(\n",
-    "    SearchableElasticsearchCache(es_connection=es_client, index_name=\"llm-chat-cache\")\n",
+    "    SearchableElasticsearchCache(\n",
+    "        es_url=\"http://localhost:9200\", index_name=\"llm-chat-cache\"\n",
+    "    )\n",
     ")"
    ]
   },

docs/docs/integrations/providers/elasticsearch.mdx

@@ -32,7 +32,7 @@ pip install langchain-elasticsearch
 See a [usage example](/docs/integrations/text_embedding/elasticsearch).
 
 ```python
-from langchain_elasticsearch.embeddings import ElasticsearchEmbeddings
+from langchain_elasticsearch import ElasticsearchEmbeddings
 ```
 
 ## Vector store
@@ -40,7 +40,7 @@ from langchain_elasticsearch.embeddings import ElasticsearchEmbeddings
 See a [usage example](/docs/integrations/vectorstores/elasticsearch).
 
 ```python
-from langchain_elasticsearch.vectorstores import ElasticsearchStore
+from langchain_elasticsearch import ElasticsearchStore
 ```
 
 
@@ -49,5 +49,21 @@ from langchain_elasticsearch.vectorstores import ElasticsearchStore
 See a [usage example](/docs/integrations/memory/elasticsearch_chat_message_history).
 
 ```python
-from langchain_elasticsearch.chat_history import ElasticsearchChatMessageHistory
+from langchain_elasticsearch import ElasticsearchChatMessageHistory
+```
+
+## LLM cache
+
+See a [usage example](/docs/integrations/llm_caching/#elasticsearch-cache).
+
+```python
+from langchain_elasticsearch import ElasticsearchCache
+```
+
+## Byte Store
+
+See a [usage example](/docs/integrations/stores/elasticsearch).
+
+```python
+from langchain_elasticsearch import ElasticsearchEmbeddingsCache
 ```