annotate files with comments to show where the code originated from

dotcom-rendering/src/components/Masthead/Titlepiece/ExpandedNav/CollapseSectionButton.tsx

@@ -1,3 +1,7 @@
+/**
+ * @file
+ * This file was largely copied from src/components/Nav/ExpandedMenu/CollapseColumButton.tsx
+ */
 import { css } from '@emotion/react';
 import {
 	headlineBold24,

dotcom-rendering/src/components/Masthead/Titlepiece/ExpandedNav/ExpandedNav.tsx

@@ -1,3 +1,7 @@
+/**
+ * @file
+ * This file was largely copied from src/components/Nav/ExpandedMenu/ExpandedMenu.tsx
+ */
 import { css } from '@emotion/react';
 import { from, textSans20, until } from '@guardian/source/foundations';
 import type { EditionId } from '../../../../lib/edition';

dotcom-rendering/src/components/Masthead/Titlepiece/ExpandedNav/MoreSection.tsx

@@ -1,3 +1,7 @@
+/**
+ * @file
+ * This file was largely copied from src/components/Nav/ExpandedMenu/MoreColumn.tsx
+ */
 import { css } from '@emotion/react';
 import { from, space, textSans17 } from '@guardian/source/foundations';
 import { nestedOphanComponents } from '../../../../lib/ophan-helpers';

dotcom-rendering/src/components/Masthead/Titlepiece/ExpandedNav/Pillar.tsx

@@ -1,3 +1,7 @@
+/**
+ * @file
+ * This file was largely copied from src/components/Nav/ExpandedMenu/Column.tsx
+ */
 import { css } from '@emotion/react';
 import {
 	from,

dotcom-rendering/src/components/Masthead/Titlepiece/ExpandedNav/ReaderRevenueLinks.tsx

@@ -1,3 +1,7 @@
+/**
+ * @file
+ * This file was largely copied from src/components/Nav/ExpandedMenu/ReaderRevenueLinks.tsx
+ */
 import { css } from '@emotion/react';
 import { from, textSans17, textSansBold20 } from '@guardian/source/foundations';
 import { useEffect, useState } from 'react';

dotcom-rendering/src/components/Masthead/Titlepiece/ExpandedNav/Sections.tsx

@@ -1,3 +1,7 @@
+/**
+ * @file
+ * This file was largely copied from src/components/Nav/ExpandedMenu/Columns.tsx
+ */
 import { css } from '@emotion/react';
 import {
 	from,

dotcom-rendering/src/components/Masthead/Titlepiece/VeggieBurger.tsx

@@ -1,3 +1,7 @@
+/**
+ * @file
+ * This file was largely copied from src/components/Nav/ExpandedMenu/VeggieBurgerMenu.tsx
+ */
 import { css } from '@emotion/react';
 import {
 	from,