chore(release): 2.2.0 [skip ci]

# [2.2.0](v2.1.2...v2.2.0) (2025-12-19)

### Features

* add automated mmJSON parsing test and refactor buffer file type inference in `io_utils.py`. ([5db3631](5db3631))
* Add example CIF/JSON data, update dependencies, and modify I/O parsing utilities. ([ba00b49](ba00b49))
* Add mmjson file type support, update file type inference, and introduce a parsing verification script with example data. ([0a995dc](0a995dc))

Author: semantic-release-bot

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "atomworks"
-version = "2.1.2"
+version = "2.2.0"
 description = "A research-oriented data toolkit for training biomolecular deep-learning foundation models"
 readme = "README.md"
 requires-python = ">=3.11"