- Introduced a new `proxy` module in the service layer.
- Created `ProxyServiceTrait` for managing proxy configurations.
- Implemented various configuration types including access rules, cache zones, limit rules, and more.
- Added rendering logic for Nginx configuration components.
- Developed a repository implementation for fetching and merging proxy configurations from the database.
- Enhanced error handling with `ProxyServiceError` for better clarity on configuration issues.
- Introduced `log_setting`, `proxy_config`, `proxy_setting`, `rewrite_rule`, `server_block`, `ssl_certificate`, and `upstream` entities with their respective fields and relationships.
- Updated `mod.rs` and `prelude.rs` to include new entities.
- Created migration script to set up new tables and relationships in the database.
- Altered existing `agents` table to include a foreign key reference to `agent_group`.
- 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.
