feat: add command-line interface and package management functionality

- Implemented a new CLI using Clap for managing Fedora configurations and packages.
- Added commands for configuring dnf, adding repositories, installing RPM Fusion, adding users to groups, and managing packages.
- Created data files for various package lists (AMD, Intel, common, firmware, gnome extra) and user groups.
- Introduced Zsh completion script for improved command-line usability.
- Removed the old CLI implementation and integrated the new structure into the main application logic.

Cargo.toml

@@ -10,3 +10,5 @@ clap = { version = "4.5", features = ["derive", "env", "cargo"] }
 clap_complete = "4.5"
 log = "0.4"
 env_logger = "0.11"
+rust-ini = "0.21"
+whoami = "1.6"