Add open telemetry severity hook integration for zerolog

[AkhigbeEromo]

This PR introduces the otelzerolog package, which provides a SeverityHook to bridge the logging capabilities of Zerolog with OpenTelemetry. The following key features are included:

Changes

• Added config struct to handle configuration options.
• Implemented Option interface and related functions (WithVersion, WithSchemaURL, WithLoggerProvider).
• Created NewSeverityHook function to initialize a SeverityHook.
• Defined SeverityHook struct to perform the logging bridge functionality.

Part of https://github.com/open-telemetry/opentelemetry-go-contrib/issues/5405