Add project root files and gitignore

.gitignore

@@ -0,0 +1,41 @@
+# Environment files
+.env
+.env.local
+.env.*.local
+
+# Python virtual environments
+.venv/
+venv/
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+.pytest_cache/
+*.egg-info/
+.eggs/
+
+# Backup files
+*.bak
+uv.lock.bak
+
+# IDE
+.idea/
+.vscode/
+*.sw?
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
+# OS
+.DS_Store
+Thumbs.db
+
+# AI tool data
+.claude/
+
+# Lock files (use in development, commit in production)
+# uv.lock - uncomment if you want to commit lock file
+# package-lock.json - uncomment if you want to commit lock file