Add Amazon Q Dev Docs to GitLab Duo Feature Availability and Configuration

Objective

The development documentation provides details for duo-core, duo-pro, and duo-enterprise license information. We should update this to include Amazon Q integration information.

Definition of Done

• Create a flowchart describing how to enable Amazon Q integration
• Include necessary license steps for Amazon Q
• Consider linking to Amazon Q documentation rather than duplicating information

Reference Links

https://docs.gitlab.com/user/duo_amazon_q/setup/#prerequisites