Update README: fix directory name and change license to MIT

[Roystbeef]

Summary

• Corrects the directory name in the README from terragon-labs-site to isle-of-tortuga
• Updates the license section to reflect that the project is open source under the MIT License instead of private

Changes

Documentation

• README.md:
  • Fixed the clone directory instruction to cd isle-of-tortuga for accuracy
  • Changed license statement from "This project is private and belongs to Terragon Labs." to "This project is open source and available under the MIT License."

Test plan

• Verified the directory name matches the actual project structure
• Confirmed license text accurately reflects the open source status
• Reviewed README formatting and clarity after changes

🌿 Generated by Terry

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📎 Task: https://www.terragonlabs.com/task/982af950-7024-4a23-b85d-61d28e9275c6