- Added `thiserror` dependency in `Cargo.toml` and `Cargo.lock` for enhanced error handling.
- Improved execution time tracking and output formatting in `main.rs`.
- Refactored console output in `scan.rs` for better readability with grouped warnings.
- Simplified error handling in `scan_filesystem`.
- Implement `max_file_size_mb` to restrict files for scanning based on size.
- Refactor `high_only` handling to modify `min_severity` in `Config`.
- Update `ScannerConfig` to use `Option<u64>` for optional size limits.
- Remove redundant `high_only` parameter from `scan::handle` function.
- Improve batch processing in `walk` for efficient file scanning.
- Introduce `index.rs` for file indexing using SQLite
- Expand configuration options in `config.rs`, including `excluded_files`
- Update dependencies in `Cargo.toml` to include SQLite, hashing, and regex libraries
- Introduced `walk.rs` as a parallel directory walker for search operations.
- Implemented basic index handling in `commands/index.rs`.
- Created `utils/config.rs` for configuration management with placeholders for future enhancements.
