Wrap the list view within a scrolled window

fitnesstrax/app/src/views/historical_view.rs

@@ -128,8 +128,15 @@ impl HistoricalView {
             }
         });
 
+        let scroller = gtk::ScrolledWindow::builder()
+            .child(&s.imp().list_view)
+            .hexpand(true)
+            .vexpand(true)
+            .hscrollbar_policy(gtk::PolicyType::Never)
+            .build();
+
         s.append(&date_range_picker);
-        s.append(&s.imp().list_view);
+        s.append(&scroller);
 
         s
     }