Add to LLM dropdown MCP tools for documentation

[patrikbraborec]

Once implemented the apify/apify-mcp-server#332, we will add MCP documentation tooling to the API dropdown in the documentation, similar to the following screen:

In order to check the function functionality, please refer to the following page: https://docs.cdp.coinbase.com/get-started/quickstart.

Please, also add analytics (click event) during implementation. Thank you!