Add Netcup as a new cloud provider - a German budget VPS provider
with REST API support starting at €3.86/mo.
Changes:
- Created netcup/lib/common.sh with session-based REST API primitives
- Added Netcup to manifest.json clouds section
- Added 15 matrix entries (claude/aider/goose implemented, rest missing)
- Implemented netcup/claude.sh, netcup/aider.sh, netcup/goose.sh
- Created netcup/README.md with usage documentation
Netcup uses session-based authentication requiring:
- NETCUP_CUSTOMER_NUMBER
- NETCUP_API_KEY
- NETCUP_API_PASSWORD
API launched Oct 2025, replaces legacy SOAP service (deprecated May 2026).
Agent: cloud-scout-2
Co-authored-by: B <6723574+louisgv@users.noreply.github.com>