Add trailing commas for formatting

Author: perclasson

gallery/lib/studies/rally/data.dart

@@ -58,8 +58,12 @@ class AccountData {
 ///
 /// The [primaryAmount] is the amount due in USD.
 class BillData {
-  const BillData(
-      {this.name, this.primaryAmount, this.dueDate, this.isPaid = false});
+  const BillData({
+    this.name,
+    this.primaryAmount,
+    this.dueDate,
+    this.isPaid = false,
+  });
 
   /// The display name of this entity.
   final String name;

gallery/lib/studies/rally/tabs/sidebar.dart

@@ -66,16 +66,21 @@ class SidebarItem extends StatelessWidget {
         SizedBox(height: 8),
         Text(
           title,
-          style:
-              textTheme.body1.copyWith(fontSize: 16, color: RallyColors.gray60),
+          style: textTheme.body1.copyWith(
+            fontSize: 16,
+            color: RallyColors.gray60,
+          ),
         ),
         SizedBox(height: 8),
         Text(
           value,
           style: textTheme.body2.copyWith(fontSize: 20),
         ),
         SizedBox(height: 8),
-        Container(color: RallyColors.primaryBackground, height: 1),
+        Container(
+          color: RallyColors.primaryBackground,
+          height: 1,
+        ),
       ],
     );
   }