Improve variable names (replace i by speaking names)

aleksis/core/static/js/edit_dashboard.js

 function refreshOrder() {
     $(".order-input").val(0);
-    $("#widgets > .col").each(function (i) {
-        const order = (i + 1) * 10;
+    $("#widgets > .col").each(function (index) {
+        const order = (index + 1) * 10;
         let pk = $(this).attr("data-pk");
         let sel = $("#order-form input[value=" + pk + "].pk-input").next();
         sel.val(order);

aleksis/core/views.py

@@ -790,11 +790,11 @@ class EditDashboardView(View):
         context["widgets"] = widgets
         context["not_used_widgets"] = not_used_widgets
 
-        i = 10
+        order = 10
         initial = []
         for widget in widgets:
-            initial.append({"pk": widget, "order": i})
-            i += 10
+            initial.append({"pk": widget, "order": order})
+            order += 10
         for widget in not_used_widgets:
             initial.append({"pk": widget, "order": 0})