Introduces Italian translations by adding languages/it.json and updating all language files to include 'italian' in the language selection. Updates quality label color logic in ytsage_gui_format_table.py to recognize Italian terms for best, high, medium, and low quality. Also updates the default language list in ytsage_localization.py to include Italian.
Added Polish translations in a new pl.json file and updated all language files to include 'polish' in the language selection. Extended the quality color mapping in ytsage_gui_format_table.py to recognize Polish terms for best, high, medium, and low quality. Updated the default language list in ytsage_localization.py to include Polish.
Added Turkish translations in languages/tr.json and updated all other language files to include Turkish in the language selection. Updated format table color logic in ytsage_gui_format_table.py to recognize Turkish quality terms. Also updated ytsage_localization.py to include Turkish in the default language list.