f5eb25993b
- Added `AgentConnectorTrait` and `AgentConnector` for managing agent connections. - Introduced `SshAgentConnector` to handle SSH-related functionalities and start a gRPC server. - Created database entities for `agents`, `certificates`, `organizations`, `public_key_revocations`, `setup_tokens`, `upstreams`, `users`, `virtual_hosts`, and `workspaces` using SeaORM. - Developed `CertificateService` for managing certificate generation and retrieval. - Implemented the main server logic to initialize the database connection and start the agent server. - Configured development settings in `development.toml` for server and database connections.