chore: sync version to 2.1.0 in pyproject.toml

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: aborruso

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "normattiva2md"
-version = "2.0.24"
+version = "2.1.0"
 description = "Convertitore da XML Akoma Ntoso a formato Markdown con download automatico delle leggi citate e cross-references inline (CLI: normattiva2md)"
 readme = "README.md"
 requires-python = ">=3.7"