Update .gitignore

Author: mscheltienne

.gitignore

@@ -1,3 +1,6 @@
+# macOS
+.DS_Store
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
@@ -66,6 +69,8 @@ instance/
 
 # Sphinx documentation
 docs/_build/
+doc/generated/
+doc/auto_examples/
 
 # PyBuilder
 target/