Fractal-tasks-core

- Conform to Fractal v1, through new task manifest (\162) and standard input/output interface (\155, \157).
- Add several type hints (\148) and validate them in the standard task interface (\175).
- Update `napari_worfklows_wrapper`: pyramid level for labeling worfklows (\148), label-only inputs (\163, \171), relabeling (\167), 2D/3D handling (\166).
- Deprecate `dummy` and `dummy_fail` tasks.

- Setup sphinx docs, to be built and hosted on <https://fractal-tasks-core.readthedocs.io>; include some preliminary updates of docstrings (\#143).
- Dependency cleanup via deptry (\144).

- Add `napari_workflows_wrapper` task (\141).
- Add `lib_upscale_array.py` module (\141).

- Major updates to `metadata_parsing.py` (\136).