chore: add extracted translation source files from frontend-app-cours…

…e-authoring

translations/frontend-app-course-authoring/src/i18n/transifex_input.json

@@ -1202,12 +1202,15 @@
   "course-authoring.studio-home.courses.pagination.info": "Showing {length} of {total}",
   "course-authoring.studio-home.libraries.tab.error.message": "Failed to fetch libraries. Please try again later.",
   "course-authoring.studio-home.libraries.tab.title": "Libraries",
+  "course-authoring.studio-home.legacy.libraries.tab.title": "Legacy Libraries",
   "course-authoring.studio-home.archived.tab.title": "Archived courses",
   "course-authoring.studio-home.archived.tab.error.message": "Failed to fetch archived courses. Please try again later.",
   "course-authoring.studio-home.courses.tab.course.not.found.alert.title": "We could not find any result",
   "course-authoring.studio-home.courses.tab.course.not.found.alert.message": "There are no courses with the current filters.",
   "course-authoring.studio-home.courses.tab.course.not.found.alert.clean.filters.button": "Clear filters",
   "course-authoring.studio-home.taxonomies.tab.title": "Taxonomies",
+  "course-authoring.studio-home.libraries.placeholder.title": "Library V2 Placeholder",
+  "course-authoring.studio-home.libraries.placeholder.body": "This is a placeholder page, as the Library Authoring MFE is not enabled.",
   "course-authoring.studio-home.verify-email.heading": "Thanks for signing up, {username}!",
   "course-authoring.studio-home.verify-email.banner.title": "We need to verify your email address",
   "course-authoring.studio-home.verify-email.banner.description": "Almost there! In order to complete your sign up we need you to verify your email address ({email}). An activation message and next steps should be waiting for you there.",