fix: Move content into to frontend directory

Doing this BEFORE the merge prevents a lot of merge conflicts.

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

frontend/src/pages/history.tsx

@@ -0,0 +1,42 @@
+/*
+ * SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+import React, { useEffect } from 'react'
+import type { NextPage } from 'next'
+import { Trans, useTranslation } from 'react-i18next'
+import { HistoryToolbar } from '../components/history-page/history-toolbar/history-toolbar'
+import { Row } from 'react-bootstrap'
+import { HistoryContent } from '../components/history-page/history-content/history-content'
+import { LandingLayout } from '../components/landing-layout/landing-layout'
+import { HistoryToolbarStateContextProvider } from '../components/history-page/history-toolbar/toolbar-context/history-toolbar-state-context-provider'
+import { useSafeRefreshHistoryStateCallback } from '../components/history-page/history-toolbar/hooks/use-safe-refresh-history-state'
+
+/**
+ * The page that shows the local and remote note history.
+ */
+const HistoryPage: NextPage = () => {
+  useTranslation()
+
+  const safeRefreshHistoryStateCallback = useSafeRefreshHistoryStateCallback()
+  useEffect(() => {
+    safeRefreshHistoryStateCallback()
+  }, [safeRefreshHistoryStateCallback])
+
+  return (
+    <LandingLayout>
+      <HistoryToolbarStateContextProvider>
+        <h1 className='mb-4'>
+          <Trans i18nKey={'landing.navigation.history'} />
+        </h1>
+        <Row className={'justify-content-center mt-5 mb-3'}>
+          <HistoryToolbar />
+        </Row>
+        <HistoryContent />
+      </HistoryToolbarStateContextProvider>
+    </LandingLayout>
+  )
+}
+
+export default HistoryPage