Add OpenSearch MCP server to Official Integrations

Signed-off-by: rithin-pullela-aws <rithinp@amazon.com>

Author: rithinpullela

README.md

@@ -205,6 +205,7 @@ Official integrations are maintained by companies building production ready MCP
 - <img height="12" width="12" src="https://maps.olakrutrim.com/favicon.ico" alt="Ola Maps" /> **[OlaMaps](https://pypi.org/project/ola-maps-mcp-server)** - Official Ola Maps MCP Server for services like geocode, directions, place details and many more.
 - <img height="12" width="12" src="https://static.onlyoffice.com/images/favicon.ico" alt="ONLYOFFICE DocSpace" /> **[ONLYOFFICE DocSpace](https://github.com/ONLYOFFICE/docspace-mcp)** - Interact with [ONLYOFFICE DocSpace](https://www.onlyoffice.com/docspace.aspx) API to create rooms, manage files and folders.
 - <img height="12" width="12" src="https://op.gg/favicon.ico" alt="OP.GG Logo" /> **[OP.GG](https://github.com/opgginc/opgg-mcp)** - Access real-time gaming data across popular titles like League of Legends, TFT, and Valorant, offering champion analytics, esports schedules, meta compositions, and character statistics.
+- <img height="12" width="12" src="https://opensearch.org/wp-content/uploads/2025/01/opensearch_mark_default.svg" alt="OpenSearch Logo" /> **[OpenSearch](https://github.com/opensearch-project/opensearch-mcp-server-py)** -  MCP server enabling AI agents to query search data in [OpenSearch](https://opensearch.org/).
 - <img height="12" width="12" src="https://app.opslevel.com/favicon.ico" alt="OpsLevel" /> **[OpsLevel](https://github.com/opslevel/opslevel-mcp)** - Official MCP Server for [OpsLevel](https://www.opslevel.com).
 - <img height="12" width="12" src="https://oxylabs.io/favicon.ico" alt="Oxylabs Logo" /> **[Oxylabs](https://github.com/oxylabs/oxylabs-mcp)** - Scrape websites with Oxylabs Web API, supporting dynamic rendering and parsing for structured data extraction.
 - <img height="12" width="12" src="https://developer.paddle.com/favicon.svg" alt="Paddle Logo" /> **[Paddle](https://github.com/PaddleHQ/paddle-mcp-server)** - Interact with the Paddle API. Manage product catalog, billing and subscriptions, and reports.