cubicweb-vcsfile #2468123 by default, files (or version contents ?) should be filed_under a proper folder [in-progress]

navigating within the original fs structure of the repo is quite convenient

there should be a treeview/widget somewhere providing quick access to the file tree

done in<not specified>
closed by<not specified>
patchautomatically build a folder tree to classify versioned files (closes #2468123) [rejected]