[WIP] Update documentation to reflect implementation changes

[Copilot]

• Understand the issue: Documentation Sync
• Explore repository structure and existing documentation
• Verify swarm2/team-agent/README.md paths (issue task 3)
  • Fix project structure section to match actual files
• Add API documentation (issue task 4)
  • Create docs/API.md with capability registry, orchestrator, roles APIs
• Add capability authoring guide (issue task 5)
  • Create docs/CAPABILITY_AUTHORING.md with detailed guide
• Add deployment guide (issue task 6)
  • Create docs/DEPLOYMENT.md with deployment instructions
• Update root README.md project structure if needed
• Run code review

Original prompt

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This section details on the original issue you should resolve

<issue_title>Documentation Sync</issue_title>
<issue_description>## Summary
Keep documentation in sync with implementation.

Tasks

• Update root README.md
• Update CHANGELOG.md
• Verify swarm2/team-agent/README.md paths
• Add API documentation
• Add capability authoring guide
• Add deployment guide

Labels

documentation</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Documentation Sync #1

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[lalbacore]

Changes are approved.

[lalbacore]

Merged.