uniweb: Jupyter on home page

uniweb/models.py

@@ -90,6 +90,7 @@ class UniwebHomePage(MetadataPageMixin, Page):
                 "table",
                 TableBlock(label="tabulka", template="uniweb/snippet_table.html",),
             ),
+            ("jupyter", DocumentChooserBlock(label="Jupyter notebook")),
         ],
         verbose_name="obsah stránky",
         blank=True,