Introduces a comprehensive Bash CLI tool (`serverkit`) for managing ServerKit services, users, and database operations. Adds a quick-install script (`install.sh`) for Ubuntu, a sample environment file (`.env.example`), and a Python CLI backend (`backend/cli.py`) for administrative tasks. Updates Docker Compose for production readiness, enhances deployment documentation, and adds Click to backend requirements. Also updates references to the correct GitHub repository.
Introduces new API endpoints and services for backups, monitoring, and Git deployment. Adds security middleware, account lockout on failed logins, and improves domain/SSL management. Updates Dockerfiles, deployment configs, and frontend to support new features and UI components.