cleanup and rename provider to plugin

plugins/torrent/__init__.py

@@ -8,7 +8,7 @@ from typing import Any, Dict, List, Optional
 import requests
 
 from API.requests_client import get_requests_session
-from ProviderCore.base import Provider, SearchResult
+from PluginCore.base import Provider, SearchResult
 from SYS.logger import debug, log
 try:  # Preferred HTML parser
     from lxml import html as lxml_html