Generate a guide with audit events for Quantum System API

[Eric-Arellano]

Extend https://github.com/Qiskit/documentation/blob/main/scripts/js/commands/generateObservabilityPage.ts to generate the actions for the Quantum System REST API.

• The OpenAPI file's URL is TBD
• Should be a new URL: /docs/guides/observability-quantum-system
• The intro needs some tweaking, like using the correct product name & removing the Location region information