Adding helper functions for convenient PUT and PATCH on SDK

[seiimonn]

The current SDK does not provide dedicated functions for sending PUT and PATCH requests to endpoints in Splunk. These operations were only possible using the generic request method, which had issues correctly formatting a body payload, especially for form-encoded data.

This change introduces helper functions for PUT and POST requests, along with a new _prepare_request_body_and_url function to streamline body and URL preparation logic. This ensures consistency, reduces redundancy, and resolves issues with incorrect payload formatting when making these requests.

Changes

• Added a _prepare_request_body_and_url helper function to handle body preparation and URL encoding for POST and PUT requests.
• Added put() and updated post() methods to leverage the helper function.
• Ensured proper handling of Content-Type headers for form-encoded data.

Benefits

• Simplifies making PUT and PATCH requests directly without needing the generic request method.
• Fixes body formatting issues, ensuring payloads are correctly encoded.