Enhance method to handle in request body for requests

The method in the class currently constructs the correctly but does not account for cases where the might need to be in the request body for requests, as highlighted in [this PR comment](https://github.com/angelxmoreno/rapidapi-node-sdk/pull/3#discussion_r1477126076). This issue aims to adjust the method to handle in the request body for requests appropriately and to investigate what happens when an API expects instead of .

Related PR: https://github.com/angelxmoreno/rapidapi-node-sdk/pull/3

Locate the referenced method in the referenced class and inspect how it constructs requests for different HTTP methods. Review the related PR comment and determine the expected behavior when the request body must contain the parameter, including APIs that expect the alternate parameter name. Done means the request is formed correctly for both cases and the relevant behavior is verified.

Written by the indexing model from the issue text.