Optional parameters configuration for local MCP

Configure optional parameters for a local MCP setup, including Zuora API version, entity and org IDs, and request timeout.

For a local MCP setup, you can add optional parameters to the MCP client configuration file.

Parameter	Description
`ZUORA_VERSION`	The Zuora API version that the MCP server uses when making API calls.
`ZUORA_ENTITY_IDS`	The entity IDs for Zuora Multi-Entity setups. To specify multiple entity IDs, enter them as comma-separated values.
`ZUORA_ORG_IDS`	The org IDs for Zuora Multi-Org environments. To specify multiple org IDs, enter them as comma-separated values.