- Added `common.changeLanguage` key to `en.json`, `fr.json`, and `zh.json`.
- Updated `LanguageSelector.jsx` to use the new shared key.
- Completed `fr.json` with all keys from `en.json` and `zh.json`.
- Added translations for `closeSidebar`, `pricing`, and `language`.
- Added internationalization (i18n) support across various components, enabling dynamic language switching and improved user experience.
- Updated multiple components to utilize translation functions for labels, buttons, and messages, ensuring consistent language display.
- Enhanced the user interface by refining text elements in the ChannelsTable, LogsTable, and various settings pages, improving clarity and accessibility.
- Adjusted CSS styles for better responsiveness and layout consistency across different screen sizes.