New Feature
* ๐๏ธ `memory_diet()`: Smart DataFrame memory optimization
- Intelligent numeric type downcasting
- Category compression for string columns
- Index optimization
- Optional aggressive mode for maximum memory savings
- Preserves data integrity while reducing memory footprint
This release introduces memory optimization capabilities while maintaining all existing functionality from v0.1.0. The new `memory_diet()` function helps users reduce their DataFrame memory usage through intelligent type optimization, making Baribal even more practical for working with large datasets.