[Improvements] allow setting up the elasticsearch cloud instance (#997)

Co-authored-by: Deven Patel <deven298@yahoo.com>

docs/components/vector-databases.mdx

@@ -58,6 +58,12 @@ Install related dependencies using the following command:
 pip install --upgrade 'embedchain[elasticsearch]'
 ```
 
+<Note>
+You can configure the Elasticsearch connection by providing either `es_url` or `cloud_id`. If you are using the Elasticsearch Service on Elastic Cloud, you can find the `cloud_id` on the [Elastic Cloud dashboard](https://cloud.elastic.co/deployments).
+</Note>
+
+You can authorize the connection to Elasticsearch by providing either `basic_auth`, `api_key`, or `bearer_auth`.
+
 <CodeGroup>
 
 ```python main.py
@@ -72,11 +78,10 @@ vectordb:
   provider: elasticsearch
   config:
     collection_name: 'es-index'
-    es_url: http://localhost:9200
-    http_auth:
-      - admin
-      - admin
-    api_key: xxx
+    cloud_id: 'deployment-name:xxxx'
+    basic_auth:
+      - elastic
+      - <your_password>
     verify_certs: false
 ```
 </CodeGroup>