Mpl-data-cast

- fix: cleanup temporary directories on startup (29)
- fix: avoid possible name clashes when storing logs in DC output file
- enh: warn user when source and target directory are identical (28)

- setup: bump dclab from 0.55.7 to 0.57.0

- enh: compute the hash of the input file a second time while waiting
for the hash of the target file

- feat: generalize GUI to use all recipes
- enh: prevent GUI from locking when transferring large file
- enh: display currently processed file in GUI
- enh: re-use tree count information for transfer progress bar
- enh: display the actual directory tree instead of a table
- enh: compute file hash while copying, avoiding reading data twice
- enh: handle PermissionError when building directory tree
- enh: identify existing target paths based on size quicker
- enh: correct progress display and remove unused code
- enh: display object count and size in tree views
- ref: migrate from pkg_resources to importlib.resources
- ref: unify input and output tree widget with one base class
- ref: remove the path_tree submodule

- build: add mpldc.exe CLI to Windows binary release
- setup: bump dclab to 0.55.6

- build: introduce Windows and macOS binary releases (22)