Registry metadata and README badge/link fixes for 1.0.3.

LicenseChain JavaScript SDK v1.0.2

• Public SDK surface under Elastic License 2.0 (ELv2)
• Hygiene: CHANGELOG / ROADMAP / .gitignore refreshed

Commit: b79fd75

Install

See README.md for language-specific install instructions.

Registry publish

GitHub Release only — npm/crates/Maven/PyPI/NuGet publish is manual when credentials and publish workflows are ready.

Elastic License 2.0 metadata for @licensechain/javascript-sdk.

LicenseChain-JavaScript-SDK v1.0.0

Official clean release under Elastic License 2.0 (ELv2).

Docs: https://docs.licensechain.app