Add guide for pairing Omni and Claude Engineer in Daytona

[Robertg761]

Summary

• adds a Daytona how-to article for running Omni Engineer and Claude Engineer in isolated Dev Container workspaces
• links the companion upstream Dev Container PRs:
  • Add Daytona devcontainer setup Doriandarko/omni-engineer#34
  • Add Daytona devcontainer setup Doriandarko/claude-engineer#258
• adds a simple SVG workflow diagram and author metadata

Verification

• xmllint --noout articles/assets/20260514_pair_omni_and_claude_engineer_in_daytona.svg
• npx --yes markdownlint-cli articles/20260514_pair_omni_and_claude_engineer_in_daytona.md authors/robertg761.md
• git diff --check

/claim #36

[Robertg761]

Maintainer review note: I rechecked this content PR from the submitted branch and it is ready for review from my side.

Verification rerun locally:

• npx --yes markdownlint-cli articles/20260514_pair_omni_and_claude_engineer_in_daytona.md authors/robertg761.md
• git diff --check

Scope is limited to the Daytona guide, its original SVG asset, and the first-time author profile. The guide keeps provider keys outside source control and documents the upstream Dev Container PRs it depends on.