Add Apache 2.0 LICENSE to repo

[anitacaron]

Fixes #169

Summary by CodeRabbit

• Documentation
  • Added project LICENSE file containing the full text of Apache License, Version 2.0 with copyright notice and standard license terms.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: c862d4ce-02d4-4d22-90dc-29396da79f53

📥 Commits

Reviewing files that changed from the base of the PR and between c3601a0 and 5a91179.

📒 Files selected for processing (1)

• LICENSE

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📝 Walkthrough

Walkthrough

This PR adds a LICENSE file to the repository root containing the complete Apache License 2.0 text and an appended copyright notice for OBO Foundry (2026).

Changes

License Declaration

Layer / File(s)	Summary
Apache License 2.0 with OBO Foundry attribution LICENSE	LICENSE file containing the complete Apache License 2.0 (January 2004) text with appended OBO Foundry copyright notice for 2026.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and specifically describes the main change: adding an Apache 2.0 LICENSE file to the repository.
Linked Issues check	✅ Passed	The pull request successfully addresses issue #169 by adding an Apache License 2.0 file to the repository as requested.
Out of Scope Changes check	✅ Passed	The pull request contains only the addition of a LICENSE file, which is directly scoped to the linked issue requirement with no unrelated changes.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

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

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