* nix: get source tarball with update.py
* nix: build from source
nix: remove u2c and partyfuse packages
The main copyparty package has u2c and partyfuse, so these packages are
redundant now
nix: add fusepy dependency
fix: nix: use replace pyfuse with fusepy
* nix: fix extra python packages
* nix: add optional dependencies
* nix: add partftpy package
* nix: add tftp parameter to package
* nix: enable pyproject for partftpy package
* nix: replace partftpy overlay with real package
* nix: add updater for partftpy
* nix: bring back local release pin to update.py
nix: update local release pin function in update.py
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Signed-off-by: Toast <39011842+toast003@users.noreply.github.com>