Bump version to 0.1.2

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

Author: Bobain

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "python-chess-gui"
-version = "0.1.1"
+version = "0.1.2"
 description = "A Python chess GUI application using pygame and python-chess with Stockfish support"
 readme = "README.md"
 requires-python = ">=3.12"