Update blackbox tests and README for directory commands
Add blackbox test section 3 (Directories) covering mkdir, tree, cat,
mv, upload --dir, and path-based operations. Expand section 4 (Delete)
with path-based deletion, recursive delete, and empty directory
deletion. Renumber all subsequent sections.
Update README usage examples with mkdir, tree, cat, mv, upload --dir,
and path-based rm. Mark folder hierarchy as complete in roadmap. Update
--as flag documentation to include new commands.
Closes #159
sans-self.org
0c246aab
9f0f6913