update readme

[devin-ai-integration]

Link to Devin session: https://app.devin.ai/sessions/fd0cec8fcd9948e88aff0cdf630183f7
Requested by: @0xallam

[devin-ai-integration]

🤖 Devin AI Engineer

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[greptile-apps]

Greptile Summary

The PR strengthens the README’s authorization warning for security testing.

• Requires explicit written permission and adherence to the agreed scope.
• Clarifies that users are responsible for legal compliance and misuse.

Confidence Score: 5/5

The PR appears safe to merge.

The documentation-only change clearly reinforces authorization and legal-responsibility guidance without affecting runtime behavior or introducing an actionable documentation issue.

Important Files Changed

Filename	Overview
README.md	Rewords the existing authorized-use warning without introducing a concrete documentation or functional defect.

_{Reviews (1): Last reviewed commit: "update readme" | Re-trigger Greptile}