Update Rosetta to version 0.1.4 and enhance translation preview functionality
- Bumped version of `rosetta` to 0.1.4 in `Cargo.toml` and `Cargo.lock`.
- Added `comfy-table` for improved table formatting in the UI.
- Expanded language support by adding Malayalam to the translator.
- Refactored translation handling in `ui.rs` to build a preview table of results, displaying success and error statuses.
- Improved user feedback with a summary of successful and failed translations after batch processing.