fix(library): draw the wall whole and read its time down the right edge

docker/frontend/src/i18n/en.ts

@@ -278,6 +278,8 @@ export const en: Dict = {
   'lib.colWidth': 'Drag to set the width of the folder column (arrow keys when focused)',
   'lib.viewPreview': 'SINGLE',
   'lib.viewGrid': 'ALL THUMBS',
+  // The column of time down the wall's right edge (see `Library.tsx`).
+  'lib.rail': 'Timeline',
   'lib.prev': 'Previous frame',
   'lib.next': 'Next frame',
   'lib.subsShow': 'SHOW SUBFOLDERS',