feat(subtitles): add support for loading and displaying subtitles in the application
feat(video): implement video capture and frame navigation functionality
feat(ui): create main window UI for subtitle and video management
test: add unit tests for utility functions related to subtitle processing
chore: set up project structure with necessary files and directories for functionality
feat(ui_hardsubripper.py): add UI implementation for HardSubRipper application to provide a graphical interface for subtitle extraction and translation functionalities
