Frontend (Tanu-Key): Add permission settings for secrets

Placeholder issue for adding individual CRUD permissions for secrets of a project.

This issue is workflowblocked pending finalization of permissions per discussion in #419546.

Implementation

Permissions are editable regardless of the toggle state.

Links/References

📌 Figma. We will follow the Hierarchical design for now.

📌 Permissions Discussion

Please refer to the design issue Design: Permission settings for Secrets Manager (#503311 - closed) for detailed design and main frontend epic for more information.

Edited by Bonnie Tsang