Register Architect commands in service provider #6
Description
Context
As a Nebula user, I need the Architect commands to be automatically registered when the package is installed.
Acceptance Criteria
- Create ArchitectServiceProvider class
- Register all Architect commands in the provider
- Publish Architect configuration if needed
- Ensure service provider is auto-discovered via composer.json
- Test that commands are available after package installation
- Document how to extend with custom commands