Add Python cache to gitignore and remove committed pycache

Co-authored-by: marc-hanheide <1153084+marc-hanheide@users.noreply.github.com>

Author: Copilot

.gitignore

@@ -30,3 +30,9 @@
 *.exe
 *.out
 *.app
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.pyc