[Phase 6] Manage NuGet package transition

[marioarce]

Task

Publish new Axlis.ORM.* packages to NuGet.

Deliverables

• Publish new Axlis.ORM.* packages
• Update package badges in README.md
• No deprecation documentation needed (no existing consumers)

Acceptance Criteria

• New packages published successfully
• Badges updated to new package IDs