Review-ready release for DaData INN/company suggestions.\n\nChanges since 2.0.0:\n- added REVIEW.md with implementation options and smoke-test steps\n- restored LICENSE and CHANGELOG.md for public review\n- updated package/documentation version to 2.0.1\n\nThe plugin keeps the DaData token server-side, exposes a nonce-protected WordPress REST endpoint, and keeps UTM/pageref forwarding optional.