Export old admin pages under new layout (#1234)

* Export old admin pages under new layout

* Remove unused import

frontend/pages/_new/admin/courses.tsx

@@ -0,0 +1,3 @@
+import CoursesPage from "pages/courses"
+
+export default CoursesPage

frontend/pages/_new/admin/email-templates.tsx

@@ -0,0 +1,3 @@
+import EmailTemplatesPage from "pages/email-templates"
+
+export default EmailTemplatesPage

frontend/pages/_new/admin/index.tsx

@@ -0,0 +1,23 @@
+import Background from "components/NewLayout/Background"
+
+import Container from "/components/Container"
+import { Links } from "/components/NewLayout/Admin"
+import { useBreadcrumbs } from "/hooks/useBreadcrumbs"
+
+const Admin = () => {
+  useBreadcrumbs([
+    {
+      translation: "admin",
+      href: "/admin",
+    },
+  ])
+
+  return (
+    <Container>
+      <Background />
+      <Links />
+    </Container>
+  )
+}
+
+export default Admin

frontend/pages/_new/admin/study-modules.tsx

@@ -0,0 +1,3 @@
+import StudyModulesPage from "pages/study-modules"
+
+export default StudyModulesPage

frontend/pages/_new/admin/users/search/[[...text]].tsx

@@ -0,0 +1,3 @@
+import CoursesPage from "pages/users/search/[[...text]]"
+
+export default CoursesPage

frontend/translations/breadcrumbs/en.ts

@@ -28,4 +28,5 @@ export default {
   signUp: "Sign up",
   home: "Home",
   installation: "Installation",
+  admin: "Admin",
 } as const

frontend/translations/breadcrumbs/fi.ts

@@ -28,4 +28,5 @@ export default {
   signUp: "Rekisteröidy",
   installation: "Asennus",
   home: "Etusivu",
+  admin: "Ylläpito",
 } as const