Initial commit: Laser Chess project files

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

.gitignore

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+# Virtual environments
+.venv/
+venv/
+env/
+ENV/
+
+# Python cache
+__pycache__/
+*.py[cod]
+*$py.class
+*.pyo
+
+# Distribution / packaging
+dist/
+build/
+*.egg-info/
+*.egg
+
+# IDE / Editor
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# Testing / Coverage
+.pytest_cache/
+.coverage
+htmlcov/
+.tox/
+
+# Jupyter
+.ipynb_checkpoints/