update notebook

awaelchli · awaelchli · commit 20ab34a6a1e0 · 2021-09-23T10:44:47.000+02:00
diff --git a/_notebooks b/_notebooks
@@ -0,0 +1 @@
+Subproject commit a2fb6468112b7e1dad501c3b6a17533a4adfeabc
