chore: add MIT LICENSE

[facundofarias]

Adds an MIT LICENSE file to resolve the missing-license OSS-hygiene gap flagged in the T3 due-diligence review (tech-debt register item #6).

• License: MIT (matches all other licensed DeployHQ public repos)
• Copyright: Copyright (c) 2026 DeployHQ (saas.group LLC)

No code changes; additive only.

Summary by CodeRabbit

• Documentation
  • Added an MIT License covering software use, modification, distribution, sublicensing, and sale.
  • Included copyright attribution and warranty and liability disclaimers.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: eb1e1e3a-8747-40bd-a7de-2521072898a2

📥 Commits

Reviewing files that changed from the base of the PR and between fc465cd and 3e4b9d4.

📒 Files selected for processing (1)

• LICENSE

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Walkthrough

The pull request adds a complete MIT License file. It includes copyright attribution, usage permissions, attribution requirements, and warranty and liability disclaimers.

Changes

License

Layer / File(s)	Summary
MIT license text LICENSE	Adds the complete MIT License text for DeployHQ software.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to 3e4b9

This PR only adds the MIT license file and does not change product behavior, so no actionable merge-blocking risk remains after normal checks and review.

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the addition of the MIT LICENSE file, which is the main change.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/add-mit-license

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[chatgpt-codex-connector]

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Reviewed commit: 3e4b9d4dbf

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[chatgpt-codex-connector]

Ship the license in the published gem

When the release workflow builds the RubyGem, deploy-agent.gemspec limits s.files to lib, bin, the certificate, and the gemspec, and it does not set s.license; I verified that the resulting gem contains no LICENSE file and reports an empty license list. Thus gem recipients do not receive the notice that this clause requires, and RubyGems cannot identify the package as MIT-licensed. Add LICENSE to s.files and declare the MIT license in the gemspec.

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