chore: bump version to 2.0.0

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: nscorley

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [2.0.0] - Unreleased
+## [2.0.0] - 2025-11-29
 
 ### Performance
 

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "atomworks"
-version = "1.0.3"
+version = "2.0.0"
 description = "A research-oriented data toolkit for training biomolecular deep-learning foundation models"
 readme = "README.md"
 requires-python = ">=3.11"