Updated getting started to user guide (#233)

Signed-off-by: saimedhi <saimedhi@amazon.com>

Signed-off-by: saimedhi <saimedhi@amazon.com>

CHANGELOG.md

@@ -6,7 +6,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Added Point in time API rest API([#191](https://github.com/opensearch-project/opensearch-py/pull/191))
 - Github workflow for changelog verification ([#218](https://github.com/opensearch-project/opensearch-py/pull/218))
 ### Changed
-
+- Updated getting started to user guide ([#233](https://github.com/opensearch-project/opensearch-py/pull/233))
 ### Deprecated
 
 ### Removed

README.md

@@ -10,7 +10,7 @@
 OpenSearch Python Client
 
 - [Welcome!](https://github.com/opensearch-project/opensearch-py#welcome)
-- [User guide](https://github.com/opensearch-project/opensearch-py#user-guide)
+- [User Guide](https://github.com/opensearch-project/opensearch-py#user-guide)
 - [API Doc](https://opensearch-project.github.io/opensearch-py/)
 - [Compatibility with OpenSearch](https://github.com/opensearch-project/opensearch-py#compatibility-with-opensearch)
 - [Project Resources](https://github.com/opensearch-project/opensearch-py#project-resources)
@@ -26,9 +26,9 @@ For more information, see [opensearch.org](https://opensearch.org/) and the [API
 
 This is the low-level client. A high-level Python client is in the works, and will be available soon.
 
-## Getting Started
+## User Guide
 
-To get started with the OpenSearch Python Client, see [Getting Started](https://github.com/opensearch-project/opensearch-py/blob/main/GETTING_STARTED.md).
+To get started with the OpenSearch Python Client, see [User Guide](https://github.com/opensearch-project/opensearch-py/blob/main/USER_GUIDE.md).
 
 ## Compatibility with OpenSearch