feat: solution for 'Повторный экзамен: FAQ-бот — ChromaDB + один MCP-tool'

.gitignore

@@ -1,5 +1,28 @@
-node_modules/
-.env
-dist/
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Virtual environment
+.venv/
+env/
+venv/
+
+# ChromaDB persistence directory
+chromadb/
+chromadb_data/
+chromadb_persist/
+
+# Distribution / packaging
 build/
-*.log
+dist/
+*.egg-info/
+
+# IDE files
+.vscode/
+.idea/
+*.sublime-project
+*.sublime-workspace
+
+# Pytest cache
+.cache/