Add dependency download and CLI functionality

- Implement dependency download and extraction for Zig packages
- Create new CLI commands for downloading and converting ZON files
- Add support for downloading dependencies from ZON files
- Update project dependencies to include httpx and tqdm
- Add WTFPL license file
- Enhance README with more detailed usage instructions and project motivation

zig_fetch_py/parser.py

@@ -3,8 +3,7 @@ ZON parser module - Parses Zig Object Notation (ZON) files.
 """
 
 import json
-from pathlib import Path
-from typing import Any, Dict, List, Union, Tuple, Optional
+from typing import Any, Dict, List, Union, Optional
 
 from loguru import logger