Use `composedMessage` instead of `formatString` (#3)

MVP (#2)

- Set up initial LogView layout, types, logging, status bar, log loading, and filtering.
- Added search highlighting, bulk file exporting, pulsating fetch symbol, and better time formatting.
- Implemented copying of logs, sorting, error handling, macOS support, and bug fixes.
- Refactored views, enabled popovers, improved metadata visibility, and documented key features.
- Final cleanup, README improvements, and removed bug-causing views.