Relicense repository to MIT and remove non-commercial restrictions

[dfeen87]

Motivation

• Move the project to a pure MIT license and remove legacy non-commercial/commercial restrictions from documentation and source headers.
• Make licensing clear in top-level docs and add an enterprise consulting blurb for organizations that require proprietary integrations or paid consulting.

Description

• Overwrote the repository LICENSE with the standard MIT License text dated 2026 and copyright holder Don Michael Feeney Jr..
• Updated README.md to use an MIT license badge, replaced the non-commercial license language with MIT wording, added a Table of Contents entry, and inserted the exact Enterprise Consulting & Integration blurb immediately above the final section.
• Updated REST_API.md license note to MIT License - See LICENSE file for details. and replaced header comments in examples, headers, sources, and tests to state MIT licensing.
• Files changed include LICENSE, README.md, REST_API.md, examples/*, include/hlv/*, src/*, and tests/* where legacy non-commercial text existed.

Testing

• Ran repository-wide automated searches for legacy phrases ("hybrid license", "commercial license", "dual license", "proprietary", "non-commercial", "non commercial") to confirm replacements.
• Performed automated presence checks to verify the new MIT license header and the inserted consulting blurb are present in README.md and the updated files.
• No build or unit-test suites were executed as part of this change set.

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Codex Task

[Copilot]

Pull request overview

This PR relicenses the repository to MIT by replacing the top-level LICENSE text and updating documentation and source/test/example file headers to remove prior non-commercial/commercial restrictions.

Changes:

• Replaced the repository license with the standard MIT License text.
• Updated README and REST API documentation license references (including badge and license section text).
• Updated per-file header comments in examples, includes, sources, and tests to reference MIT licensing.

Reviewed changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 8 comments.

Show a summary per file

File	Description
LICENSE	Replaced legacy non-commercial license text with standard MIT License.
README.md	Updated license badge/text and added “Enterprise Consulting & Integration” section + TOC entry.
REST_API.md	Updated license note to reference MIT.
examples/api_server_example.cpp	Replaced legacy non-commercial header lines with MIT header line.
examples/api_client_example.cpp	Replaced legacy non-commercial header lines with MIT header line.
include/hlv/rest_api_server.hpp	Replaced legacy non-commercial header lines with MIT header line.
include/hlv/phase_readiness.hpp	Replaced legacy non-commercial header lines with MIT header line.
src/rest_api_server.cpp	Replaced legacy non-commercial header lines with MIT header line.
src/phase_readiness.cpp	Replaced legacy non-commercial header lines with MIT header line.
tests/rest_api_tests.cpp	Replaced legacy non-commercial header lines with MIT header line.
tests/phase_readiness_tests.cpp	Replaced legacy non-commercial header lines with MIT header line.

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