Add Apache-2.0 LICENSE

[haasonsaas]

Summary

• Adds Apache-2.0 LICENSE file with EvalOps, Inc. copyright

This repo was public with no license, meaning it was technically "all rights reserved" despite being openly accessible.

[cursor]

PR Summary

Low Risk
Low risk: adds/updates only repository licensing text and does not affect runtime code paths.

Overview
Adds a top-level LICENSE file containing the full Apache License 2.0 text with an EvalOps, Inc. (2025) copyright notice, formally licensing the repository under Apache-2.0.

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