- Replaced direct SQLite connection calls with a context manager in various modules to ensure proper resource management and prevent file descriptor leaks.
- Introduced a new `connection` method in `DBManager` to standardize connection handling.
- Updated all relevant database interactions in modules such as `feed_manager`, `scheduler`, `commands`, and others to utilize the new connection method.
- Improved code readability and maintainability by consolidating connection logic.
- Enhanced .gitignore to allow test files in the tests/ directory and committed pytest.ini for test discovery.
- Added checks for missing sections in configuration files, specifically for Admin_ACL and Banned_Users, to prevent errors during bot startup.
- Updated generate_website.py and command_manager.py to handle cases where required sections are absent, returning empty lists instead of raising exceptions.
- Introduced optional dependencies for testing in pyproject.toml, ensuring a smoother development experience.
- Improved localization handling in core.py to default to English when the Localization section is missing, enhancing user experience.
