Add abbreviation replacement data augmentation

**Describe the solution you'd like**
Add a new replacement-based data augmentation method that replaces phrases with abbreviations.

**Additional context**
Original method [here](https://github.com/GEM-benchmark/NL-Augmenter/tree/main/transformations/abbreviation_transformation)

Start by reviewing the repository's existing data augmentation or transformation entry points, then compare the requested behavior with the linked GEM-Benchmark abbreviation_transformation implementation. Add the abbreviation replacement augmentation and verify that its behavior matches the referenced method using the project's available tests.

Written by the indexing model from the issue text.