[Feature] Feature request: Folder-oriented library view with a navigable directory tree

I have searched the existing feature requests, both open and closed, to make sure this is not a duplicate request. • Yes The feature Hi, I would like to propose an optional folder-oriented browsing mode for External Libraries. Immich already provides Folder View, but navigating a large archive with a deeply nested directory structure could be more convenient if the web interface offered a dedicated folder-browser layout. The goal is to let users browse an existing photo archive in a way similar to a file manager, while retaining Immich's photo management, search, metadata, and album functionality. 1. Two-panel layout Ideally, the new view would provide two main panels. Left panel: Folder tree • Display the actual directory hierarchy of the external library. • Expand and collapse directories. • Navigate directly to any directory. • Clearly indicate the currently selected directory. • Support large directory trees …