Add comprehensive type hints to core logic

[razzeee]

This change adds type hints to almost all functions, methods, and class attributes in the resources/lib/ directory.

Key improvements:

• Added type hints to traktapi.py, scrobbler.py, service.py, sync.py, syncEpisodes.py, syncMovies.py, rating.py, sqlitequeue.py, traktContextMenu.py, deviceAuthDialog.py, kodilogging.py, obfuscation.py, globals.py, and script.py.
• Used the typing module (e.g., Union, Optional, List, Dict, Callable) for compatibility with various Kodi Python 3 environments.
• Implemented string forward references in traktapi.py (e.g., -> List['Movie']) to prevent potential NameError during import due to eager evaluation of type hints.
• Improved defensive programming with null checks where type hints suggested they might be necessary (e.g., if self.authDialog: self.authDialog.close()).
• Verified correctness by running existing unit tests (95 passed).
• Addressed code review feedback regarding forward references and type nits.

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PR created automatically by Jules for task 873585794030377872 started by @razzeee

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