Huge update

- Drop support for Python 3.7.
- Use offline geolocation database instead of ip-api.com.
- Add support for proxy authentication.
- Add pre-compiled binaries.
- Refactor the code by a lot.
- Simplify config.
- Add automatic text encoding detection.
- Use TOML instead of INI for configuration.
- Add support for using httpbin-compatible services and services which return plain IP address for getting proxy's exit node.
- Add support for reading proxy lists from local files.
- Add support for saving to json.
- Remove support for saving geolocation to txt, use json instead.
- Improve parser.
- Improve config validation.
- Use poetry instead of requirements.txt.
- Use venv in start scripts.

proxy_scraper_checker/cache.py

@@ -0,0 +1,14 @@
+from __future__ import annotations
+
+import asyncio
+
+import aiofiles.os
+import platformdirs
+
+DIR = platformdirs.user_cache_dir("proxy_scraper_checker")
+READY_EVENT = asyncio.Event()
+
+
+async def create() -> None:
+    await aiofiles.os.makedirs(DIR, exist_ok=True)
+    READY_EVENT.set()