feat: Add folder view to view folder media (#2077)

- Closes: #2068

Note: Renames existing `folder` view to `folders` [experimental
functionality]

src/localize/languages/en.json

@@ -588,7 +588,8 @@
         "clip": "Most recent clip",
         "clips": "Clips gallery",
         "current": "Current view",
-        "folder": "Folder view",
+        "folder": "Folder media",
+        "folders": "Folders gallery",
         "image": "Static image",
         "live": "Live view",
         "recording": "Most recent recording",