Accession images and files

Extend API v1 accession details endpoint to include the image gallery (if exists for the accession) and the list of other files (not images) in that same folder.

Update accession DisplayPage

Add a section to list RepositoryFiles (not images)
Add image gallery display (use component from Admin pages) to display image thumbnails

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information