CertifiEd client SDK: license activation, heartbeats and offline Ed25519 token validation. true CertifiEd.Client 1.0.0 Ofarandagon Ofarandagon CertifiEd Copyright © Ofarandagon 2026 licensing;license;ed25519;offline;activation;self-hosted https://git.ofarandagon.tj/Ofarandagon/CertifiEd https://git.ofarandagon.tj/Ofarandagon/CertifiEd git MIT README.md false true snupkg true true