Create .gitignore

.gitignore

@@ -0,0 +1,34 @@
+# .gitignore
+
+# Environment files
+.env
+.env.local
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+
+# Virtual environments
+venv/
+env/
+ENV/
+
+# IDE
+.vscode/
+.idea/
+
+# Output files
+*.pkl
+*.csv
+*.txt
+output/
+data/*.pkl
+data/*.csv
+
+# Secrets (never commit these)
+*token*
+*secret*
+*.key