Add form fiedls to layout

aleksis/apps/paweljong/forms.py

@@ -507,7 +507,10 @@ class EventCheckpointForm(forms.Form):
     class Media:
         js = ("js/paweljong/checkpoint.js",)
 
-    layout = Layout("username")
+    layout = Layout(
+        "username", "comment".
+        Row("lat", "lon"),
+    )
 
     comment = forms.CharField(
         required=True,