Summary

Provides complete getting started documentation for both major Molecule use cases: collection development and playbook testing. Reorganizes existing collection guide and adds new comprehensive playbook testing guide with modern ansible-native patterns.

Changes

Documentation Structure

• Renamed: docs/getting-started.md → docs/getting-started-collections.md
• Added: docs/getting-started-playbooks.md - Complete playbook testing guide
• Added: docs/ansible-native.md - Modern configuration patterns
• Added: docs/workflow.md - Actions, sequences, and subcommands reference
• Added: docs/pre-ansible-native.md - Legacy compatibility reference
• Updated: mkdocs.yml navigation to reflect new structure

Collection Testing Guide (docs/getting-started-collections.md)

• Collection-focused testing for roles, plugins, and modules
• Testing within collection structure (extensions/molecule/)
• Comprehensive coverage of collection development workflows
• Modern ansible-native configuration patterns

Playbook Testing Guide (docs/getting-started-playbooks.md) - NEW

• Playbook-focused testing for ansible-creator projects
• Linux container testing with Podman and network device testing with Arista EOS
• Complete test lifecycle: create/prepare/converge/verify/cleanup/destroy
• Advanced patterns: environment-specific testing, multi-playbook scenarios
• Realistic CLI examples with --report --command-borders flags

Technical Features

All Guides

• Ansible-native approach: No legacy driver/platforms/provisioner constructs
• Schema-valid configurations: All examples pass Molecule validation
• Modern CLI patterns: Proper flags and realistic output examples
• Best practices: FQCN usage, proper cleanup patterns, co-located requirements

This PR provides engineers with comprehensive, working documentation for both major Molecule testing workflows while maintaining clear separation and modern technical patterns throughout.