Mpl-data-cast

- 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)

- fix: fast file size check for detecting invalid upload did not take place
- fix: delete temporary files when they are not needed anymore (24)
- setup: migrate to pyproject.toml

- fix: properly check output directory (20)
- fix: error handler not able to copy error message to clipboard (21)
- enh: make directory selection dialogs more user-friendly
- enh: make Ctr+C close the app
- setup: bump dclab from 0.39.15 to 0.48.4
- setup: bump h5py from 3.6.0 to 3.8.0
- docs: fix CLI section in docs (19)

- build: bump required Python version to 3.10 (18)