Raff v1.4.0: VPC gateways, port forwarding, marketplace, audit log

Added

VPC gateways and port forwarding. Route public traffic into private subnets.

Security groups. Reusable, attachable rule sets.

App marketplace. One-click installs for common stacks.

Audit log. Every account action, who did it, and from where.

Changed

Compute UX improvements across list, create, and detail.