[fmschulz]

Summary

• Replace the BSD-3-Clause license with the Berkeley Lab non-commercial license for GVClass.
• Update package metadata, README text, the badge, and the documentation license text.

Impact

GVClass permits non-commercial use only under the terms in LICENCE. Runtime behavior does not change.

Checks

• Confirmed that the license text matches the supplied text after the GVClass name replacement.
• git diff --check passed.
• pyproject.toml validation passed.
• The source distribution built and contains LICENCE.
• mkdocs build --strict passed.

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